Extrinsic 23560-1

{
  "heartbeat": {
    "blockNumber": 23559,
    "sessionIndex": 392,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x465807081fbad8cce674ed45c99696c216bd99c346439593ec4f18ad6ed02960fccfecd311f2ad50b5e505d4d7df9f61578940cd9689f901a081bf6749294685"
}