cosmos-sdk/data/genesis.json

[
  "base/chainID", "test_chain_id",
  "base/account", {
    "pub_key": [1, "619D3678599971ED29C7529DDD4DA537B97129893598A17C82E3AC9A8BA95279"],
    "coins": [
	{
	  "denom": "mycoin",
	  "amount": 9007199254740992
	}
    ]
  }
]