{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "added": "v23.08",
  "additionalProperties": false,
  "required": [
    "subsystem",
    "indexname",
    "nextvalue"
  ],
  "properties": {
    "subsystem": {
      "type": "string",
      "enum": [
        "invoices",
        "forwards",
        "sendpays"
      ]
    },
    "indexname": {
      "type": "string",
      "enum": [
        "created",
        "updated",
        "deleted"
      ]
    },
    "nextvalue": {
      "type": "u64"
    }
  }
}