Thanks for your answers, they help me a lot! However, im not sure whether my data is raw, so should i check it with the institution which provide me the dataset? or I can do it by myself?

I attach my json file here:
"Modality": "MR",
"MagneticFieldStrength": 3,
"ImagingFrequency": 123.251,
"Manufacturer": "Siemens",
"ManufacturersModelName": "Prisma",
"SoftwareVersions": "syngo_MR_E11",
"MRAcquisitionType": "2D"
"ScanningSequence": "EP",
"SequenceVariant": "SK_SP",
"ScanOptions": "PFP_FS",
"ImageType": ["ORIGINAL", "PRIMARY", "DIFFUSION", "NONE", "ND", "NORM", "MOSAIC"],
"ConversionSoftware": "dcm2niix",
"ConversionSoftwareVersion": "v1.0.20200331"