I recreated the giganotosaurus from Jurassic World Dominion's prologue(Note: the giga in the final movie might look slightly different from the prologue, and this addon aims to recreate the prologue giga only) 

Only baby giganotosaurus is tameable

Use raw pork to tame baby giga, and use cooked pork to accelerate its growth/recover

Once your tamed giga is grown up, you can put a saddle on it and ride it. If you don't want your pet giga to follow to, you can let it sit down (after you saddle it)

Naturally spawned adult giga are hostile toward all mobs, and are not tameable. Will roar when spotting its target. Sound effects are all taken from Jurassic World 3 prologue. Giganotosaurus will drop diamonds if killed

And finally, go check out Jurassic World 3 prologue if you haven't already 

Discord: https://discord.gg/59Kk4PKj4J