{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90251",
    "entityType": "User",
    "nonce": "0x5adc249b571fe61bd287eeebdb3fa824d5d17ec9ea1843295f6ed7688060b769",
    "signature": "0xa2ba16e00fc860a2ab1fe6e7029c87e08bd282d23cabbefad6b75b76647f296d29ae8a23084c0fc89373f878fbd862c16091db4fbc303200ad577b147adeef3b1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}