{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38584",
    "entityType": "User",
    "nonce": "0x57bf6df5b22e8492ec140dfd8e4fd574a3ec3cff58d4adf90ff4859b96324e02",
    "signature": "0xafc76c46ac08c8836bf89915b4b42e3bb913534d3f6ec7b4fe353ca88cc624400c22bdab612faaa2ef56af43ae01d29a220b302947f082a1a3586c10b6d60d041c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}