Extrinsic 76041-1

{
  "heartbeat": {
    "blockNumber": 76040,
    "sessionIndex": 1267,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x28b678c4d9aa7020b52076001deccafdb043c9f66dc712e68a0a9c21712df43b569a4920ac587ea853e1c8ba5751fe0fc6ed3f4200414cef8c4c0a205f30578b"
}