Extrinsic 76896-1

{
  "heartbeat": {
    "blockNumber": 76895,
    "sessionIndex": 1281,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x5449ddaafca3ba99490903478b638da1b5bd955dcdefeaba0e76d09c9c729b235ec8b8d620cdcfa7455ba22060c8b534bf75475fa4163f69f3cb4b3a2e7ff386"
}