{
  "manageEntity": {
    "action": "Update",
    "entityId": "614212580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarsjd5jdllpvufsvfdd3dfa3r3tj3qpeki5r64lkrssa6g4e52xca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":30281002},{\"type\":\"playlist\",\"playlist_id\":406057964},{\"type\":\"playlist\",\"playlist_id\":31755126}]}}}",
    "nonce": "0x4a44ac29268d3cf5ae594e40056080802d6de8256ecffab10f9155241aec9749",
    "signature": "0x36be5d3de7bb0ebf649b2ddc3b6ae0d2e7b99c24c3dd2354135ba8ede89d578139daf55e1fe1fe72eb98e15b21fbf1af4b14489e6f8c9324b53bf17386426d721c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}