A velocity which will be handling user meta data
Creates meta data for a user and adds it into database.
_, err := client.Add(ctx, &proto.Identifier{UserID: "user id"})
Finds and returns meta data of a user from database.
metaData, err := client.Get(ctx, &proto.Identifier{UserID: "user id"})
Sets user status as verified.
_, err := client.Activate(ctx, &proto.Identifier{UserID: "user id"})
Sets user status as deleted.
_, err := client.Delete(ctx, &proto.Identifier{UserID: "user id"})