{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xdc965b4e52a1cac546f0dc0ee40e86a515cfda807a111e91fc8c49135ba36500",
    "signature": "0x3941d1b24b7a78aa35314153bf1d78c13fb36c19b366d5be8321b7a10e0bffbe4b647bb6ce9e2c0b25f51854114ec7cd1533e570d2f0a8338059a81d00ca8e6d1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}