Extrinsic 44788-1

{
  "heartbeat": {
    "blockNumber": 44786,
    "sessionIndex": 746,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x0a0e0445f585e0bf017a58fa6d0f7e124d5dac7c91cec982fe3b74c82b12a352301be370cf496d8418e3284113faf9d1ac5fc4efd81ce1d5c436e4826139ab80"
}