{
  "manageEntity": {
    "action": "Update",
    "entityId": "823447086",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9da1568aca7a76f76c1e2b472ba8eb0f1ba94717bcac3835b3f32fe7245a261a",
    "signature": "0x21bb0c3204b28e7b06a20c35784ce8e94d0631f81b27b2c44ac6b067b992e0a841033b6f5c9c105a7f4a74326982ce65f24a9bf1572f775db951cdd0b8e37e7e1b",
    "signer": "0x1Df693Ed633B381cB87b6D8C559fB0C7Bf5eB6af",
    "userId": "823447086"
  }
}