{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "848489075",
    "entityType": "User",
    "nonce": "0xae55cfff1f8fb79b80a2691f4dbe04919babaf96f80619fbce43308be6fd971e",
    "signature": "0x0aea811b4075b3b39daf813d35f499fc0a64a996cd7556e8a4a01b7b508605605e367902b526b6a6090fcd1fa127d377a2d0041b15aa0f624ce4fa09dbd1fd6f1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}