Extrinsic 25228-1

{
  "heartbeat": {
    "blockNumber": 25226,
    "sessionIndex": 420,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x20870fa47f91b91bf7413601983fd7ccc1acbf06e1f9709afaebf57fd426c6625b451e22d18e9a3532f5b68aba13039ccd0abdb8af50d8457fe8b0b3337e2780"
}