{
  "manageEntity": {
    "action": "Create",
    "entityId": "1137040366",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1137040366,\"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": "0x41468cfa5df4ff22baf0090bd3de766a521e641c8bd58bd34a0816ae1d5efc72",
    "signature": "0xe0bc63b65dd3ffccff307df1d53f7db4a68a96c0e2b13f352c32f04e096d2d7b5444da420f84a804c9871259f889a6b520f0d1728e118d0a2c0ecaeb4ca482101c",
    "signer": "0xCf2eacf459f751e649a2cCcD396D5BB7c47B7950",
    "userId": "29417884"
  }
}