{
  "manageEntity": {
    "action": "Create",
    "entityId": "340467514",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":340467514,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xdf2d881f9201cc478122f6700d3ed8d8ce04c4ae8efed91bcd7de347e26ccbd5",
    "signature": "0x466eeb7bba5e33b640c9aa0a2d5e4dd60e1b65b5963aceefabf32f4d3c58492c6ded94158949884e2e4f29b8cb8ad9f9c74a27e448e0b80540ab83f8817326311b",
    "signer": "0xcCAe7e3D3B788aec9A4C39797101F323f7E87E55",
    "userId": "842043513"
  }
}