Help! Tap on an object with a animated texture (idle) >Then change to another state >Then back to idle

I need to make some function like this:

T

ap on an object (the object is playing an animated texture, and we can all it "Idle") (This function is done) Then change to another state (Switch to another animated texture on the same object?). After this state is finished, back to idle

I am using Raycast to tap on an object and tried several way to simulate this kind of functionality. But still no clue...anyone has any suggestion?