{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x2cf45cda7ae24e38ce8a12a3b29ba3d22c0cdb7fe062e19f86125f21d98c1598",
    "signature": "0xa4c7195b9bcfe1c3f899811c9363caaa9884490e5799e6108b70bb6bbd62f06b5c1b562733cadab88faec530f496783212b46a8db7f7590d84e401514033bbc91b",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}