{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1480330",
    "entityType": "User",
    "nonce": "0x9aad6e2cea09abdd9c11b7d9c4ae77793a706021acac94fe0c37aa07eaa40109",
    "signature": "0x563053f09f1cfafeb850df4618967442a54fc203dc14e16fad2aa3f409f47dbe3aed5ad08880ad5b5ab23f5fd02e0e6c0b14673d81f6ff19a6be48e96426111a1b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}