{
  "manageEntity": {
    "action": "Create",
    "entityId": "573316011",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":573316011,\"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": "0x75dcdb6072e509092b6ee9e1aa185ee2701ae1760839ce63ec3088bfb0ef111a",
    "signature": "0x39db6cb632705bd9708420a25bf5be38cc4b2e78534438108332e631429d8f5c5da34e9e08e67287db259d26c2a51d8e762b1e9660bc83379cf7a177f755d0ce1c",
    "signer": "0xa9D0D3D89F35F4631f2C91e96B875eB9bB680e95",
    "userId": "96157936"
  }
}