{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189818",
    "entityType": "User",
    "nonce": "0x0655e4821afeddfa18c84d9870a14792b3b68b174060a492450839ded1ba1c4b",
    "signature": "0x0e1256660b6a83d621478017252f7503339c4a041b19e7f9ed9bb9635da46c6120155971c95b033e6815d70a9f6e72e0f6c56c56a164eeadeafe89ce29a3e3601c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}