{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xef14439f466f44a9a1a750d5a1432ae60cf1b5baf7ac96449e6a2452f3d6a9a7",
    "signature": "0x4221e57415c25b3fbe4efd58bb8c9fe55eda9a22a85999c164a1ef2d60f5961949e3d71820251021b1c92706d8e307de845519275f7a0ee7a02846defc73ebed1c",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}