{
  "manageEntity": {
    "action": "Update",
    "entityId": "40528859",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xad03a3622a7f9f97fd6ff12780cfa198bf953fd83d84a070aff8b15b229fea6c",
    "signature": "0x856d899ea10bb141e98e1db14e6592baa7e917c81763eb3aec9cdbae426ae699541e1ab91a8924a6d5fc43baa832aaacb92127060a69af0f9141cfb55cb4d51f1c",
    "signer": "0x3f7Eb5045d2f6Cef70C60866ED4765d4b6266A04",
    "userId": "40528859"
  }
}