Extrinsic 40776-1

{
  "heartbeat": {
    "blockNumber": 40775,
    "sessionIndex": 679,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xe044bd247310f4fa8efa0cabf2aaac5c2f7521f954b4c7113cdbf57dd5c6ca75ea215c3055b1a15f723dafb46a5d568e35359be14d5d30a7acafd201f0ac7083"
}