Extrinsic 61294-1

{
  "heartbeat": {
    "blockNumber": 61293,
    "sessionIndex": 1021,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6815b4bf74362c31e33102092bbc6dec05e50e1834b5d11dd03f1d697d032479252ffedf2f643b4c90fe17f61958cda7054ed11af2e3a6c1ad50944a1c346e85"
}