Problème fonction fscanf

{"data":{"base":"BTC","currency":"USD","amount":"44241.65"}}

#include <stdlib.h>
#include <stdio.h>

//[RAPPEL DE COMPILATION](pour Mingw en C) : gcc main.c -o main.exe

float editBTCprice();

int main(int argc, char const *argv[]){

	float test = editBTCprice();
	printf("%.2f\n", test);

	return 0;
}

float editBTCprice(){
	float btcPrice = 1.;
	FILE* inputFile = NULL;
	inputFile = fopen("datasets/response.json", "r");

	if(inputFile != NULL){
		fscanf(inputFile,"%*[^:]%*[^:]%*[^:]%*[^:]%*%f%*", &btcPrice);
	}
	else{
		printf("Canno't open response.json");
	}
	fclose(inputFile);
	return btcPrice;
}