{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xffb081a342bb7b0931eb8f237f9f12a94dc66ba883bc0fdaaa4710dd2b36a8aa",
    "signature": "0xb9bac958c264b56c5039e0145041d987474beaf7f9d1bfb7b7d4be9fe0622dac3fc85ab0e73af77835157f8ef167e3c322f60f2f20b347f2f79e9dfa2abf7f2d1c",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}