Extrinsic 22650-1

{
  "heartbeat": {
    "blockNumber": 22649,
    "sessionIndex": 377,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x8e269684b67ea1eaee557dbc5f5c8d760956346f0d3dbaa4e0e79111c7710852ca6143c5e94f97b0dcd64bf0d82098b9f1c0e27676438bfb1d0fbe51c7edcd8e"
}