type
type: "string_splice" | "string_set" | "array_insert" | "array_remove" | "array_replace" | "array_move" | "array_set" | "object_set_property" | "object_add_property" | "object_remove_property" | "object_set" | "number_delta" | "number_set" | "boolean_set" | "date_set" | "compound"