{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x8e8ddbde89e6e127be5a4dcf273df73433ac10c18be5c11f30ceba436f20cc99",
    "signature": "0x9136c8074c3770fc791c1c9a3461ebe6c15b4504853a84999509f86831109ab901fab1234ac86cea84b1f62486cafe91c4f6e1726ff63807ab0442a101f88b031c",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}