Extrinsic 22300-1

{
  "heartbeat": {
    "blockNumber": 22299,
    "sessionIndex": 371,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x82367d1fca16e81619dd06cbdd69ba4c0c32c443794fcd021ec77fb48f1b1c1372d93eb79d7dcb037bfd8bf3e4ba6d7a47865ff23613e9d98c783c70599cc68a"
}