Extrinsic 40294-1

{
  "heartbeat": {
    "blockNumber": 40292,
    "sessionIndex": 671,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xf421bb716c0b39b5b89b01e4b14b228a4053b12dcec45ec99383fb9a841f857ceb5fcb7554130988637fd0fd321f1aab815957d662e16af178c292308f3c748a"
}