Extrinsic 71868-1

{
  "heartbeat": {
    "blockNumber": 71867,
    "sessionIndex": 1197,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x9cb1b8828538e83e519bf298b7fda26aefce771d249558ce51b7c6886a139e5f47b91618db06503374efccb96e101794764946015c25107f2e52dbe415a6118f"
}