Extrinsic 6315-2

{
  "heartbeat": {
    "blockNumber": 6313,
    "sessionIndex": 105,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xfc25e780ffc193a968589c8bd5e3eba17ba43a0b11bd31737aa1ed9dcb50ae7b92de4bd400a93f348cb006b78ee5d1af41cfda61cbdd04a6ed69400bedb50e8f"
}