{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713713",
    "entityType": "User",
    "nonce": "0xc5bbcf01eddba6c2c26790fa64a7a1c97347ebc1623eb96b532ca0b431fdb1ea",
    "signature": "0x46e1adf680c68dfb6a26796dcfc97b599e474bdc882a69a575692c3aaeb469916984c1ac566cac240dc37917c1c24268e35a4a2b9d9e501e63c162200c7619d71c",
    "signer": "0x33d6CC2014d41973A366809Aa0399aca265a67AE",
    "userId": "819404309"
  }
}