{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0x960458ddc8d527c2d25862f88124bcc3e50e90c7426257cfe831f156c11ea069",
    "signature": "0xc5e2c56d0d6bdf798e0a0a5e2390363bb3f018edbd91864690199ca246f84b94516ee21340622a2fe16f16c214e8254e98f617d16110eda082aaa7fb746c52661c",
    "signer": "0xa8Ce1a8d6d0b662859275Ff782975bE537E57088",
    "userId": "253056701"
  }
}