{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234046",
    "entityType": "User",
    "nonce": "0x00e40d0295ccc1bd02b6c492906b36f084293558503846c8250c21e9f74fd919",
    "signature": "0xe5b959a171982c0d5091a371480724aaa7a032ac4256740fc6fa7a26c041c57359d293c0168def2244ad6d969b35c3cb49b38c2a517ce97bb889ee511f9657641c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}