Extrinsic 80922-1

{
  "heartbeat": {
    "blockNumber": 80921,
    "sessionIndex": 1348,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xfcb3daba9501114032a7718ef8a9fff60e7c751992273099c3fbf447e9cdb40261f6465c6ea4d7591835620552fd72075fe6dfba261b8284d91093809008e28e"
}