Extrinsic 40361-1

{
  "heartbeat": {
    "blockNumber": 40360,
    "sessionIndex": 672,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x689e9d650ac62e91e879336a3825c54d2a5485234dac24b5d274287e003d313a15e088e0762525ca770c14e01e820ba4bef673c3be3b795f05ea3fbc97789c84"
}