Extrinsic 50835-1

{
  "heartbeat": {
    "blockNumber": 50833,
    "sessionIndex": 847,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x4e818fac772116ae85fbc5fd9179d0d27e7dff735cb62a21800a0661bbb4b929123a23831ae7f4387caaa0228c1982a9959483312e22392fa0848b3fc8b41c8b"
}