Extrinsic 183342-1

{
  "heartbeat": {
    "blockNumber": 183340,
    "sessionIndex": 3055,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x1af304f90181104e662ec9b3652b4aa6207d7c72a7256d7f098ebeadff4ed934623c8314b1dcb6bc40905dfd60269d4053239a16805760cffa1c5b38bd65e981"
}