{
  "nodes": {
    "accessionA": {
      "location": "delta"
    },
    "accessionB": {
      "location": "gamma"
    },
    "accessionC": {
      "location": "gamma"
    },
    "internalDEF": {
      "location": "alpha"
    },
    "accessionD": {
      "location": "alpha"
    },
    "accessionE": {
      "location": "alpha"
    },
    "accessionF": {
      "location": "beta"
    }
  }
} 