{
  "manageEntity": {
    "action": "Create",
    "entityId": "1482337640",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1482337640,\"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": "0x8f8fe77c8c63f4caa4c55a8d263bd80e4a6782a1759c79a7202bf2a15b7d024e",
    "signature": "0x289f9b5d767b008daa55c7762c83db8b050fc9582096dc45fdfbadae3f121b65622371ea27540ca802dfe98a6d7296bd314ef171ffba30333bdf3aa6ce14945a1b",
    "signer": "0x1cdFf70c3148938298C2f37555e69D65C18D364b",
    "userId": "356982132"
  }
}