Extrinsic 44089-1

{
  "heartbeat": {
    "blockNumber": 44087,
    "sessionIndex": 734,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x1ed6088ecd842390ab8797391b02ef9a71e932d9000bc631d0d2cb59aa0d5751e59f6a30f81b8a5fca5e0b588eed0e32ced0761583b69c6c9950e3934b862589"
}