Transpose a array that is in a json file into columns

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I have a JSON where in between is an array. I already extracted all the other information in the json but i cant do it with the array in it. IT looks like this in BigQuery and it is a String JSON

{
    "description":"Eminem.",
    "eDate":{
        "_seconds":1673668800,"_nanoseconds":409000000
    },
    "pId":"test-plan-1",
    "Id":"test-p-1",
    "startDate":{
        "_seconds":1673636400,"_nanoseconds":957000000
    },
    "Categories":[
        {
            "description":"Eminem 123.",
            "id":"cheap",
            "name":"Cheap Ticket", "sEnd":{"_seconds":1767283200,"_nanoseconds":225000000},
            "sStart":{"_seconds":1673272800,"_nanoseconds":330000000},
            "tRate":0.19,
            "uPrice":1.5
        }
    ],
    "title":"Apple",
    "vId":"test-v-1"
}

The array starts by categories and end by uPrice

Im expecting that all keys with their values have their own column . The data from JSON and from the array



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