Partially figured out the SetSpecialEventWork Packet.

FFXIVClassic Map Server/packets/send/player/SetSpecialEventWorkPacket.cs

@@ -0,0 +1,29 @@
+using System;
+using System.IO;
+
+using FFXIVClassic.Common;
+
+namespace FFXIVClassic_Map_Server.packets.send.player
+{
+    class SetSpecialEventWorkPacket
+    {
+        public const ushort OPCODE = 0x0196;
+        public const uint PACKET_SIZE = 0x38;
+
+        public static SubPacket BuildPacket(uint playerActorID, uint targetActorID)
+        {
+            byte[] data = new byte[PACKET_SIZE - 0x20];
+
+            using (MemoryStream mem = new MemoryStream(data))
+            {
+                using (BinaryWriter binWriter = new BinaryWriter(mem))
+                {                    
+                    binWriter.Write((UInt16)0x00);
+                    binWriter.Write((UInt16)18); //Just set it to Bomb Festival to unlock Bombdance
+                }
+            }
+
+            return new SubPacket(OPCODE, playerActorID, targetActorID, data);
+        }
+    }
+}