Extrinsic 43188-1

{
  "heartbeat": {
    "blockNumber": 43186,
    "sessionIndex": 719,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xe0ae1c81de91a2c972c6a61a292bc56ae00baf3e61630a003abcf6d25620a30d0534525695e89d265dfa701ed97a7a74e8985e908e695ae69a302d466e328a8a"
}