Extrinsic 22789-1

{
  "heartbeat": {
    "blockNumber": 22787,
    "sessionIndex": 379,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x92c0645b4be4b4a751168bc9b8fc9648cf5966b285f3b4a31bb92db2ccd166282ac206c42ee7d9260662c16cd0f8fceef806031e177bd4119ec56b56d1899685"
}