{
  "manageEntity": {
    "action": "Create",
    "entityId": "933566203",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":933566203,\"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": "0x97c2c2e446324006a728d2a9ab400501ae11f060f5f53068b8e43c3c2e22d938",
    "signature": "0x129fb8f6fae521052518b8946fddb63f9a5f7c29bd7eb8497cc2b2bcf8360e270c53f5fd57b0c138bf8a3e047194603124308030399daa37ae3fafcbb9284c0c1b",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}