Extrinsic 41912-1

{
  "heartbeat": {
    "blockNumber": 41910,
    "sessionIndex": 698,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x42244c0a1f1fdf903a0bdb94a4be26d8a20b429260edb3f79a54943d8678e247b8c27644856c9b8efa69501039f5e5b09ccff1c1c22ebb3c30e2f56dba24ed88"
}