Extrinsic 22845-2

{
  "heartbeat": {
    "blockNumber": 22843,
    "sessionIndex": 380,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x621ee4f46609cd87080fe83c83a5eb1e0270a8b2c4a1655106585a209951286a758ee0f9427b5e655773c683793807ee467170e0007a7341e1917bd8dc37cc82"
}