Extrinsic 24279-1

{
  "heartbeat": {
    "blockNumber": 24277,
    "sessionIndex": 404,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x743ad87285b984c7803704280fa76d95daf34281cd0969aaf98af59367c8154d841663ea719485406ee59c8144b36a1a94f6a83d2b8ce9e5966995cce3e12a83"
}