{
  "manageEntity": {
    "action": "Create",
    "entityId": "1243354955",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1243354955,\"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": "0xb0e08ce32b24287ae30795464c4d22199683ada198f69c020ea84ba8ff3da502",
    "signature": "0xb04f9aee8ccb8b0c3c7b53f4f943b30c2523065961a164d582259b2ef1f6de740463314420ad586554461ea7f10036c9d0fa77116a4b59152661964251d2951e1b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}