Extrinsic 80371-1

{
  "heartbeat": {
    "blockNumber": 80370,
    "sessionIndex": 1339,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x34a4c70b4cdb0b2404188861c4b9dd7a36985a2ead5df59461ae455bf73af4425d80e3564a10bc05fe46e197042360868ba78cef527c7da9008a0e2bd153218e"
}