Loading data using pydgraph

My idea right now is to have separate files for Movies, Directors, Actors, and a separate file for Relationships. I want to compare the results with both Neo4j and Dgraph. So, I need to have a common format of files to go with before hand.

(Movies file will contain only rows of movies data like movie_id, movie_name, genres, revenue, budget)
(Directors file will contain data like id, name)
(Actors file will contain id, name, character)
(Relationship file will contain relationships between Movie-Director and Movie-Actor)

I would like to have data in such a format so that I load it into neo4j and dgraph and test things out. Can you please suggest such a common data format?