---
Message:
  ENUM:
    4:
      Ping:
        NEWTYPE:
          TYPENAME: Ping
    5:
      Pong:
        NEWTYPE:
          TYPENAME: Ping
Ping:
  STRUCT:
    - from:
        TUPLEARRAY:
          CONTENT: U8
          SIZE: 32
    - token:
        TUPLEARRAY:
          CONTENT: U8
          SIZE: 32
    - signature:
        TUPLEARRAY:
          CONTENT: U8
          SIZE: 64