Extrinsic 17113-1

{
  "heartbeat": {
    "blockNumber": 17111,
    "sessionIndex": 285,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x24b1ef63c8add0c618ab3ce82c3128a2411af79e79ac970f5f0ebe386e822867afbd539e8b46257b6cb60be752d5b8638b277eb18b3114446b6cd823c069d080"
}