{
  "manageEntity": {
    "action": "Create",
    "entityId": "891473773",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":891473773,\"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": "0x4326508c20f703c18028c38d0f9a4c4f8abf52b3b8722a8c3e8342f498576258",
    "signature": "0x93ec6557cad5e428fb8282da5a75d78e48f4d06fe782a047a67c5c38cf4638bb27998fa28c3014eaa657d08cebffa30e3a08ae6541ecae31a8653f03d25b8bd71b",
    "signer": "0xAc7E5060e3E742d07A52be6481Baa7217e63b406",
    "userId": "162440028"
  }
}