Proposal for available files metadata json for easier and more robust client parsing [note that data are fake]

file_metadata.json

{
  "accession": "GSE000123",
  "files": [
  {
    "filetype": "Series SOFT file",
    "name": "GSE227465_family.soft.gz",
    "size": 23413,
    "md5sum": "....",
    "created_at": "DATE",
    "updated_at": "DATE"
  },
  {
    "filetype": "Series MINiML file",
    "name": "GSE227465_family.xml.tgz",
    "size": 234813,
    "md5sum": "....",
    "created_at": "DATE",
    "updated_at": "DATE"
  },
  {
    "filetype": "Series Matrix file",
    "name": "GSE227465_series_matrix.txt.gz",
    "size": 3813,
    "md5sum": "....",
    "created_at": "DATE",
    "updated_at": "DATE"
  },
  {
    "filetype": "Series supplementary data",
    "name": "GSE227465_DLBCL_CellLine_RNAseq_44_MedianShift_Normalized_log2.txt.gz",
    "size": 3813,
    "md5sum": "....",
    "created_at": "DATE",
    "updated_at": "DATE"
  },
  {
    "filetype": "Series RNA-seq raw counts matrix",
    "name": "GSE227465_raw_counts_GRCh38.p13_NCBI.tsv.gz",
    "size": 3813,
    "md5sum": "....",
    "created_at": "DATE",
    "updated_at": "DATE",
    "normalization_method": null,
    "version": 1.0
  },
  {
    "filetype": "Series RNA-seq normalized counts matrix",
    "name": "GSE227465_norm_counts_FPKM_GRCh38.p13_NCBI.tsv.gz",
    "size": 3813,
    "md5sum": "....",
    "created_at": "DATE",
    "updated_at": "DATE",
    "normalization_method": "FPKM",
    "version": 1.0
  },
  {
    "filetype": "Series RNA-seq normalized counts matrix",
    "name": "GSE227465_norm_counts_TPM_GRCh38.p13_NCBI.tsv.gz",
    "size": 3813,
    "md5sum": "....",
    "created_at": "DATE",
    "updated_at": "DATE",
    "normalized_method": "TPM",
    "version": 1.0
  },
  {
    "filetype": "Human gene annotation table",
    "name": "Human.GRCh38.p13.annot.tsv.gz",
    "size": 3813,
    "md5sum": "....",
    "created_at": "DATE",
    "updated_at": "DATE",
    "version": "109.20190915"
  }
]
}