Example Model
{"arcs":[{"source":"txn0","target":"place0","weight":[1]},{"source":"place0","target":"txn1","weight":[3]},{"inhibit":true,"source":"txn2","target":"place0","weight":[3]},{"inhibit":true,"source":"place0","target":"txn3","weight":[1]}],"modelType":"PetriNet","places":{"place0":{"capacity":[3],"initial":[1],"offset":0,"x":130,"y":207}},"tokens":["black"],"transitions":{"txn0":{"x":46,"y":116},"txn1":{"x":227,"y":112},"txn2":{"x":43,"y":307},"txn3":{"x":235,"y":306}},"version":"v1"}