Extrinsic 22639-1

{
  "heartbeat": {
    "blockNumber": 22637,
    "sessionIndex": 377,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x4a0edb207e7c0228c7e649a427a3048577b163a6034cbc08f0c9f9a7d4c2463a19a0db4e89a279c8bc4cc4a733d7eacc283b1ca45b90cd03d9f4388b74c21789"
}