{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$defs": {
    "Batch": {
      "properties": {
        "first": {
          "type": "integer",
          "maximum": 9007199254740991,
          "minimum": 1
        },
        "last": {
          "type": "integer",
          "maximum": 9007199254740991,
          "minimum": 1
        }
      },
      "additionalProperties": false,
      "type": "object",
      "required": [
        "first",
        "last"
      ],
      "description": "Batch is the committed batch an entry belongs to."
    },
    "EntryRef": {
      "properties": {
        "root_id": {
          "type": "string",
          "pattern": "^rt_[0-9a-f]{32}$"
        },
        "space_id": {
          "type": "string",
          "pattern": "^spc_[0-9a-f]{32}$"
        },
        "position": {
          "type": "integer",
          "maximum": 9007199254740991,
          "minimum": 1
        }
      },
      "additionalProperties": false,
      "type": "object",
      "required": [
        "root_id",
        "space_id",
        "position"
      ],
      "description": "EntryRef is the occurrence identity of one entry: a position in one journal."
    }
  },
  "properties": {
    "ref": {
      "$ref": "#/$defs/EntryRef"
    },
    "fact": {
      "type": "string",
      "contentEncoding": "base64"
    },
    "origin": {
      "type": "string",
      "enum": [
        "append",
        "create"
      ]
    },
    "batch": {
      "$ref": "#/$defs/Batch"
    }
  },
  "additionalProperties": false,
  "type": "object",
  "required": [
    "ref",
    "fact",
    "origin",
    "batch"
  ],
  "title": "Entry",
  "description": "Entry is one fact occurrence."
}