GridData

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "GridData",
  "type": "object",
  "description": "Data in the grid, as well as metadata about the dimensions.",
  "properties": {
    "startRow": {
      "type": "integer",
      "description": "The first row this GridData refers to, zero-based."
    },
    "startColumn": {
      "type": "integer",
      "description": "The first column this GridData refers to, zero-based."
    },
    "rowData": {
      "type": "array",
      "description": "The data in the grid, one entry per row, starting with the row in startRow."
    },
    "rowMetadata": {
      "type": "array",
      "description": "Metadata about the requested rows in the grid, starting with the row in startRow."
    },
    "columnMetadata": {
      "type": "array",
      "description": "Metadata about the requested columns in the grid, starting with the column in startColumn."
    }
  }
}