Extrinsic 41957-1

{
  "heartbeat": {
    "blockNumber": 41955,
    "sessionIndex": 699,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x4a7517936e9a96a051821f2cde7d0de69cf9b2960372073b493c6f000cc71e2ceb5aaa9a84014d248b2b2e4c34c4ef27cf78ce51da02d96f7730cb5dd85bfc84"
}