Extrinsic 47378-1

{
  "heartbeat": {
    "blockNumber": 47376,
    "sessionIndex": 789,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x72f6d68d8e16a6d43269a6a620c6b01462c9ff18c1fc0efdea29a27d2cf9967dd4e607886edb38ca694ae08953f9dab5af7e5128f126f96ca3b3925728a4ec88"
}