Extrinsic 24518-1

{
  "heartbeat": {
    "blockNumber": 24517,
    "sessionIndex": 408,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x649d7a1d3a5d6f04dabb30c874814aeb8d507c600fea57bf17be64b43fa1221e312994210a866b5eb77d781d820ddfa1eba3f823ee2d8a8bdb7e20c27d80718f"
}