{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239519",
    "entityType": "User",
    "nonce": "0xdbc16153b6e65555e8bf1107aa61f8b58013ad2d8b5bae04f13cd1ef2aea77ab",
    "signature": "0x158234c890c1bbd63e405cb8a61db14ae32b5eefe0af147e245fd427cc73c70b4306d1786c1e41f0934c90043fd22826bb5423123c5e29374b098a1ce74f30421c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}