{
    "key": "8688a84fcfd84d8f78020d0fc0b35987cc58911f",
    "var_len": "",
    "max_var_len": "",
    "test_type": "Address", 
    "mapping_slot": "0000000000000000000000000000000000000000000000000000000000000007",
    "ground_truth_concat_key": "0000000000000000000000008688a84fcfd84d8f78020d0fc0b35987cc58911f0000000000000000000000000000000000000000000000000000000000000007",
    "ground_truth_slot": "900630798574b2f89ae13e25e9c1a75520672892d1a0b503abcb2bae8f12432f"
}