Slightly less suspicious looking.
The item id for Crushed Indigo in unturned is 398. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Useable: Consumeable
Size_X: 1
Size_Y: 1
Size_Z: 0.3
Energy: 50
Food: 10
Water: 10
Blueprints: 1
Blueprint_0_Type: Supply
Blueprint_0_Supply_0_ID: 271
Blueprint_0_Supply_0_Amount: 2
Blueprint_0_Build: 27
ConsumeAudioClip: Sounds/EatSquishy.mp3