Extrinsic 44868-1

{
  "heartbeat": {
    "blockNumber": 44867,
    "sessionIndex": 747,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6a5e42ebfe0160dcadf98b5ec01b4c25ae37ca2be13811b5e1a076d576b7f3032840816f24a96c67ba12911d03e6c6581147278d03f02251ce5c96a030c13c8f"
}