[
  {
    "annotations": {
      "definition": "Test DNA sequence for FASTA conversion"
    },
    "id": "seq001",
    "sequence": "atcgatcgatcgatcgatcgatcgatcgatcgatcgatcg"
  },
  {
    "annotations": {
      "definition": "Another test sequence with different nucleotide content"
    },
    "id": "seq002",
    "sequence": "gctagctagctagctagctagctagctagctagctagct"
  },
  {
    "annotations": {
      "definition": "Third sequence for testing output format"
    },
    "id": "seq003",
    "sequence": "ttaaccggttaaccggttaaccggttaaccggttaaccg"
  }
]