{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "340611",
    "entityType": "User",
    "nonce": "0x3e810f7d98e59d28175531820459dd948acf598569cfaf504d3b4c00cc0c2989",
    "signature": "0xf7363c836f2ce2461185053a57d307aba1980c7bab8ebb4c8d6efb191fc957b35ad901750eccacecb5d9f7efce8adce8d43a4283a902adf0c50d58cc79a676551c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}