Extrinsic 171679-1

{
  "heartbeat": {
    "blockNumber": 171677,
    "sessionIndex": 2861,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xec46f55fe7913cdc3502b589c48e76973d055c1b20416dc61a778f9e4c887c0ff5b9027d4e61bc9b2659600ced261925e4d52ff652b7c5af315d6422d938c88a"
}