{
  "manageEntity": {
    "action": "Update",
    "entityId": "922583632",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0ca0948117fb9ed43f1d806b3e5a4fa80c5a4b3b20d1e7f653091502e6f4777c",
    "signature": "0xc85c846c0693fb01573e584c06173527ac1126f32857cf5361d3e95a482332092fb9826e0ccb54803f7bb535b8f93eae040b966751b8e432a43a5142ef1ca9f11c",
    "signer": "0xEE24362CCE903b9d8622465c1B583e21D4D1E980",
    "userId": "922583632"
  }
}