Grammar

block_state : 
    {
        "name" : string,
        property_name : property_value,
        ...
    }
    
ingredient : 
    {
        "item" : string,
        "data" : integer
    }
    |
    {
        "type" : "forge:ore_dict",
        "ore" : string
    }
    
itemstack : 
    {
        "item" : string,
        "count" : integer,
        "data" : integer
    }