diff --git a/Cargo.lock b/Cargo.lock
index df3c9b7..ec59b1f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -842,6 +842,27 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "csv"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac574ff4d437a7b5ad237ef331c17ccca63c46479e5b5453eb8e10bb99a759fe"
+dependencies = [
+ "csv-core",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "csv-core"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5efa2b3d7902f4b634a20cae3c9c4e6209dc4779feb6863329607560143efa70"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "ctr"
 version = "0.8.0"
@@ -1242,6 +1263,7 @@ dependencies = [
  "async-stream",
  "base64 0.21.5",
  "bincode",
+ "csv",
  "derive_more",
  "futures",
  "itertools 0.10.5",
diff --git a/Cargo.toml b/Cargo.toml
index f4a69f3..1d4ece6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,6 +30,8 @@ derive_more = "0.99.17"
 base64 = "0.21.5"
 bincode = "1.3.3"
 
+csv = "1.3.0"
+
 [dev-dependencies]
 tracing-subscriber = "0.3.16"
 solana-logger = "1"
diff --git a/examples/stream_blocks_single.rs b/examples/stream_blocks_single.rs
index 47f2ff6..bff3b4e 100644
--- a/examples/stream_blocks_single.rs
+++ b/examples/stream_blocks_single.rs
@@ -4,6 +4,7 @@ use solana_sdk::clock::Slot;
 use solana_sdk::commitment_config::CommitmentConfig;
 use std::env;
 use std::pin::pin;
+use solana_sdk::pubkey::Pubkey;
 
 use geyser_grpc_connector::grpc_subscription_autoreconnect_streams::create_geyser_reconnecting_stream;
 use geyser_grpc_connector::grpcmultiplex_fastestwins::FromYellowstoneExtractor;
@@ -13,6 +14,7 @@ use tracing::warn;
 use yellowstone_grpc_proto::geyser::subscribe_update::UpdateOneof;
 use yellowstone_grpc_proto::geyser::SubscribeUpdate;
 use yellowstone_grpc_proto::prost::Message as _;
+use csv::Writer;
 
 #[allow(dead_code)]
 fn start_example_blockmini_consumer(
@@ -94,7 +96,7 @@ pub async fn main() {
 
     let green_stream = create_geyser_reconnecting_stream(
         config.clone(),
-        GeyserFilter(CommitmentConfig::finalized()).blocks_and_txs(),
+        GeyserFilter(CommitmentConfig::processed()).accounts(),
     );
 
     let blue_stream = create_geyser_reconnecting_stream(
@@ -103,13 +105,23 @@ pub async fn main() {
     );
 
     tokio::spawn(async move {
+        let mut wtr = csv::Writer::from_path("accounts-mainnet.csv").unwrap();
+
         let mut green_stream = pin!(green_stream);
         while let Some(message) = green_stream.next().await {
             match message {
                 Message::GeyserSubscribeUpdate(subscriber_update) => {
-                    let mapped = map_block_update(*subscriber_update);
-                    if let Some(slot) = mapped {
-                        info!("got update (green)!!! slot: {}", slot);
+                    match subscriber_update.update_oneof {
+                        Some(UpdateOneof::Account(update)) => {
+                            info!("got update (green)!!! slot: {}", update.slot);
+                            let key = update.account.unwrap().pubkey;
+                            let bytes: [u8; 32] =
+                                key.try_into().unwrap_or(Pubkey::default().to_bytes());
+                            let pubkey = Pubkey::new_from_array(bytes);
+                            wtr.write_record(&[pubkey.to_string()]).unwrap();
+                            wtr.flush().unwrap();
+                        }
+                        _ => {}
                     }
                 }
                 Message::Connecting(attempt) => {
diff --git a/src/lib.rs b/src/lib.rs
index a5c1690..64edd90 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,10 +2,7 @@ use solana_sdk::commitment_config::CommitmentConfig;
 use std::collections::HashMap;
 use std::fmt::{Debug, Display};
 use std::time::Duration;
-use yellowstone_grpc_proto::geyser::{
-    CommitmentLevel, SubscribeRequest, SubscribeRequestFilterBlocks,
-    SubscribeRequestFilterBlocksMeta, SubscribeRequestFilterSlots, SubscribeUpdate,
-};
+use yellowstone_grpc_proto::geyser::{CommitmentLevel, SubscribeRequest, SubscribeRequestFilterAccounts, SubscribeRequestFilterBlocks, SubscribeRequestFilterBlocksMeta, SubscribeRequestFilterSlots, SubscribeUpdate};
 use yellowstone_grpc_proto::tonic::transport::ClientTlsConfig;
 
 pub mod channel_plugger;
@@ -150,6 +147,30 @@ impl GeyserFilter {
             ping: None,
         }
     }
+
+    pub fn accounts(&self) -> SubscribeRequest {
+        let mut accounts_subs = HashMap::new();
+        accounts_subs.insert(
+            "client".to_string(),
+            SubscribeRequestFilterAccounts {
+                account: vec![],
+                owner: vec![],
+                filters: vec![],
+            },
+        );
+
+        SubscribeRequest {
+            slots: HashMap::new(),
+            accounts: accounts_subs,
+            transactions: HashMap::new(),
+            entry: Default::default(),
+            blocks: Default::default(),
+            blocks_meta: HashMap::new(),
+            commitment: Some(map_commitment_level(self.0) as i32),
+            accounts_data_slice: Default::default(),
+            ping: None,
+        }
+    }
 }
 
 fn map_commitment_level(commitment_config: CommitmentConfig) -> CommitmentLevel {