{
    "key": "000000000000006f6502b7f2bbac8c30a3f67e9a",
    "var_len": "",
    "max_var_len": "",
    "test_type": "Address", 
    "mapping_slot": "0000000000000000000000000000000000000000000000000000000000000004",
    "ground_truth_concat_key": "000000000000000000000000000000000000006f6502b7f2bbac8c30a3f67e9a0000000000000000000000000000000000000000000000000000000000000004",
    "ground_truth_slot": "1c2339d1c4bfaf58b8f0d2638d9dae656c10932e13c9305c240770ec2cf1f659"
}