{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228972129",
    "entityType": "User",
    "nonce": "0x7d65af40998a0285a17d92a340873e1720b4a316f1a986fe729cabdee90f89d5",
    "signature": "0xfe92a5c0847d1ddd6370775a4289a28d1434690fe02e0310dface50850ead5284f4daa51b2f1b6ba16ba8eb63aedaf2fef821e360a98a9f1a81ca8b6a553446b1c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}