{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987974477",
    "entityType": "User",
    "nonce": "0x2a02aa8cbc9c484957ce963e3009b4204ffaa3a06fc70c26cf066fd950bbf6ad",
    "signature": "0x185578b859d6846a4a81cafd99c6994e598ed6e704e939ce1a24a42f0a198db90b3199d56885cd29517018ad120ec166bbe7233bae60a386c4393058ae3e5cca1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}