{
    "reward_min": 7,
    "reward_max": 8,
    "reward_interval": 86400,
    "pools": [
        {
            "name": "reward_coin_or_prod",
            "rewards": [
                {
                    "category": 8,
                    "codes": [0],
                    "nums": [20, 30]
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        {
            "name": "reward_prod1",
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    "rewards": [
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        "reward_prod1",
        "reward_prod1",
        "reward_prod1",
        "reward_prod1",
        "reward_prod1"
    ]
}