{
  "manageEntity": {
    "action": "Update",
    "entityId": "5642",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahz5pojonbotrw47jjotrj2gqiokf22dpfkeew74ytzprhfjwg45q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":439053713},{\"type\":\"playlist\",\"playlist_id\":244732348},{\"type\":\"playlist\",\"playlist_id\":536988672},{\"type\":\"playlist\",\"playlist_id\":667944367},{\"type\":\"playlist\",\"playlist_id\":133919134},{\"type\":\"playlist\",\"playlist_id\":890414285},{\"type\":\"playlist\",\"playlist_id\":1428},{\"type\":\"playlist\",\"playlist_id\":867162311},{\"type\":\"playlist\",\"playlist_id\":140294347},{\"type\":\"playlist\",\"playlist_id\":1962804186}]}}}",
    "nonce": "0x945efc8675a02fe35fbe4209d80f8f972dffbdcc0d532a08e6f10680bf69128f",
    "signature": "0xe54eff5a9581fa839a41459d355e2d7b10c705491f75be29167f2d89558dcda13026b55467e2ef865571061a1c0f5b78b02ff4ecbdf513c0a37f24f08d50286e1b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}