{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "536634479",
    "entityType": "User",
    "nonce": "0x2d3653a52cc48a055f7b123813b9ee3a2bea7d506a4ff0945317c66737eedb2a",
    "signature": "0x22dbaa02298a35d77f0f3cb96d564fc4542ffc9293da686e72613eabbf6af1a716296cd29268aefd90253e1080f2df19355b19e55b7b35b9cac5958ceb3e74741c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}