Extrinsic 41349-1

{
  "heartbeat": {
    "blockNumber": 41348,
    "sessionIndex": 689,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x2273e8b0cfd5e6e8dde8480ab813be7ff49181ca12d3d057677dd0c449b7d623525d0e8d3d8dd5779961aedafc6a3e1407d08cc53e01d55753fb58b0ef8c1188"
}