Extrinsic 75030-1

{
  "heartbeat": {
    "blockNumber": 75028,
    "sessionIndex": 1250,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa644a7cbfb3c7e7dde57eb777ef141aac96b77ab71e7e81489a9c8539521300ddfc6e57e030d6ef010a35296767d8e17aa8beeb5339aa1b359389a0bc982fa84"
}