{
    "type": "recommendation",
    "user_id": "AHXTCFJKNZFKU7LCHHP3X52UGHYQ",
    "candidate_category": "product",
    "candidate_list": [
        "B08XMBBLH2",
        "B00GYT5WL8",
        "B06Y2PK4P8",
        "B0045XUU08",
        "B01J8N54Z0",
        "B01LX8BNAY",
        "B0B9ZWQCBW",
        "B0B9W7VZ68",
        "B018E9MBXW",
        "B07T3Y7JF5",
        "B07F3FQYDJ",
        "B07PQFPGY1",
        "B08FD7WC12",
        "B07FYY6CNX",
        "B002QKRUJG",
        "B099JL5VKW",
        "B0043QQNXK",
        "B07KG7CSGK",
        "B003ODI408",
        "B0B9ZL1DYT"
    ],
    "loc": [
        -1,
        -1
    ],
    "data type": "real"
}