Extrinsic 34643-1

{
  "heartbeat": {
    "blockNumber": 34642,
    "sessionIndex": 577,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x0613f0ecdb374500105252cceae6ed6ff4cdf6b237ca6b6bddf0d3f2e19ce62b3e73611523c26836a1673051804fe7b85bd2d97a4f2778668d512251e086dd80"
}