Extrinsic 41143-1

{
  "heartbeat": {
    "blockNumber": 41141,
    "sessionIndex": 685,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x74c5f8a95db54c184cd42f5ad7c8872a6c09a74b07388dc069893bd0e70fb72796e5ca53f9dfdeaee91592e0ee0fe9ac2a6320f3c80da479dba0c7d1cf4aec8a"
}