{
  "manageEntity": {
    "action": "Create",
    "entityId": "1393972641",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1393972641,\"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": "0x1b27b4b1fed98dbb21a823e0d20a37cfcefb3b502491122f83a8767422032f81",
    "signature": "0xa20d596c1b8ea942568d2d9fbac03f88673e2ab4be39c25931b4d53e513cda357db69d299b671774ae8b484e9c1d8344b8d3d612ce9e9ffad8e07088a56fb20e1c",
    "signer": "0xAe45Aa9d94350c6a7A8BfB66D3c1c2B51Ac488C6",
    "userId": "274010868"
  }
}