Extrinsic 40763-1

{
  "heartbeat": {
    "blockNumber": 40761,
    "sessionIndex": 679,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xb823222430be8d2148e0132228f2f3e54e047d0d7591f132a4637bce30e8ad35b0d82aa4a5002777bd94d791998f6bc19e34f7fcfb584e6413f4472f1c1ea280"
}