Extrinsic 99689-2

{
  "heartbeat": {
    "blockNumber": 99688,
    "sessionIndex": 1661,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x6edf495c0fee6ca4dcd3c7bfd02244efcc08eed74ecddfe99839be21f8969f1d2ac2b21be39993767b3874122ba9c2c1fcf1879c43b00d7d729730a9fa00e682"
}