Extrinsic 54462-1

{
  "heartbeat": {
    "blockNumber": 54461,
    "sessionIndex": 907,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xda21a105cdfa14ed22ae625fd070142ff6f15c713b16b367e9b4371846a6e27dc0a84bf25deb53db39139c1794f0dbdd464e71e5b56f12094619d8a6580a1483"
}