{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17047",
    "entityType": "User",
    "nonce": "0x4cbcd8dd4cba479df04f634bb50e78885245421c895228d63df6382a82c6411f",
    "signature": "0x7747622ecf6b376bb2379696c518dc035d37eac1900d261b4ae0ac41a90868dd55b5a82c170f478cf7e3a2fdf79447ee439e0e36ffb8c9ada6e6468646c9b3871c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}