?value: dict
	 | list
	 | string
	 | SIGNED_NUMBER	-> number
	 | "true"			-> true
	 | "false" 			-> false
	 | "null"			-> null 

list: "[" [value ("," value)*] "]"

dict: "{" [pair ("," pair)*] "}"
pair: string ":" value

string: ESCAPED_STRING
%import common.ESCAPED_STRING
%import common.SIGNED_NUMBER

%import common.WS
%ignore WS