{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "description": "Error response for block proposals",
  "title": "Error block proposal RPC response",
  "type": "object",
  "additionalProperties": true,
  "required": ["error_message"],
  "properties": {
    "error_message": {
      "type": "string"
    }
  }
}
