jsonschemalint.com 2018-01-30T10:35:06.612Z

document

{
  "id   ": 12345,
  "time": "1517308333",
  "from": "Quaregnon",
  "to": "Brussels",
  "summary": "Car accident in Nivelles.",
  "category": "accident",
  "description": "Description here",
  "geo": {
     "latitude": 50,
     "longitude": 3
  }
}

schema

{
  "description": "A standardized schema for traffic alerts",
  "type": "object",
  "properties": {
    "id": {
      "type": "string"
    },
    "time": {
      "format": "date-time",
      "type": "string",
      "description": "Time"
    },
    "from": {
      "type": "string",
      "description": "Direction from"
    },
    "to": {
      "type": "string",
      "description": "Direction to"
    },
    "summary": {
      "type": "string"
    },
    "category": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "geo": {
      "$ref": "http://json-schema.org/geo"
    }
  }
}