Read and Store JSON Objects which comes by HTTP Post

Hi, I'm trying to receive an JSON File from another solution which will be pushed from the other solution by an JSON API Push.  Now I'm looking for a ASP.net funktion to read the file and store the data from the JSON File in a SQL Server Database. It would be good if always if a JSON is coming the solution starts to convert and save. Mostly 6.000 to 10.000 JSON Files I will get by day.  JSON Example:
{
            "time": 1389640399,
            "channel": "SAT.1",
            "spot": {
                        "group": "VOX",
   &n ...