{
    "key": "b9fddbd225b6c8cc24ce193e5fb95db76d783f2d",
    "var_len": "",
    "max_var_len": "",
    "test_type": "Address", 
    "mapping_slot": "0000000000000000000000000000000000000000000000000000000000000005",
    "ground_truth_concat_key": "000000000000000000000000b9fddbd225b6c8cc24ce193e5fb95db76d783f2d0000000000000000000000000000000000000000000000000000000000000005",
    "ground_truth_slot": "751c4389cc6b086faa41a8f84e863555076c3c8323f4d14f98d9e76cbba041fc"
}