Summoning PrimedTnt with custom fuselengths

How can I summon PrimedTnt with a custom fuse length? I know I have to add some attributes to it, but I'm not sure as to how I can do that. Does anyone know? Also, is there a way to turn TNT explosion damage? I already know how to summon PrimedTnt, like this:

/summon PrimedTnt <relative coords>

Solution 1:

adding {Fuse:x} to the end of the command will add a custom fuse time however, x can only be replaced by numbers up to 127, 128 and above will detonate the TNT Instantly. Here's an example:

/summon PrimedTnt <relative coords> {Fuse:<amount of ticks>}