{
  "manageEntity": {
    "action": "Create",
    "entityId": "53178141",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":53178141,\"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": "0xc281b9445611e8793e7e822d9c9cf20d4e17a4137b89e994ed21be46c6df7456",
    "signature": "0xfa5820308eea032ef98dee55e497b6742908b6e01231b7365cefb5e4c542e10d0cbe0adf2174a2ab5f6d00e4faba8fb3c4017fbfe87136a73b885ec6e72957731b",
    "signer": "0x24151476E72151E6E31cdF104b86082C4351CFFE",
    "userId": "563845766"
  }
}