Proposed subgraph representation for Neo4j

response.json

{
  "adjacencies": {
    "node/1": {
      "node/2": "rel/1",
      "node/3": "rel/2"
    },
    "node/2": {
      "node/4": "rel/3"
    },
    "node/3": {
      "node/1": "rel/4",
      "node/2": "rel/5"
    },
    "...": {
      "...": "..."
    }
  },
  "data": {
    "node/1": {
      "self": "...",
      "data": "...",
      "...": "..."
    },
    "node/2": {
      "self": "...",
      "data": "...",
      "...": "..."
    },
    "...": "...",
    "rel/1": {
      "self": "...",
      "data": "...",
      "...": "..."
    },
    "...": "..."
  }
}