{
  "resources": {
    "WebSocketApi": {
      "grants": {
        "manageConnections": {
          "arnFormat": "${webSocketApiArn}/*/*/@connections/*",
          "actions": [
            "execute-api:ManageConnections"
          ]
        }
      }
    },
    "WebSocketStage": {
      "grants": {
        "managementApiAccess": {
          "arnFormat": "${webSocketStageArn}/*/@connections/*",
          "actions": [
            "execute-api:ManageConnections"
          ]
        }
      }
    }
  }
}