Extrinsic 48704-1

{
  "heartbeat": {
    "blockNumber": 48702,
    "sessionIndex": 811,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xd46976684e68976fcdf646729ceace9d8677d88705076198d3c76e962bb0b413124a531afd565b8d97d3257f101b445201c097049336ca86a12ff19115750d86"
}