mutation UpdateVideoProgress($input: UpdateVideoProgressInput!) {
  updateVideoProgress(input: $input) {
    clientMutationId
    errors
    videoProgress {
      createdAt
      id
      percentageComplete
      positionSeconds
      post {
        __typename
        ... on Event {
          __typename
        }
      }
      resourceId
    }
  }
}

{
  "input": {
    "percentageComplete": 1,
    "positionSeconds": 1,
    "postId": "id",
    "videoId": "id"
  }
}

{
  "data": {
    "updateVideoProgress": {
      "clientMutationId": "string",
      "errors": [
        "string"
      ],
      "videoProgress": {
        "createdAt": "value",
        "id": "id",
        "percentageComplete": 1,
        "positionSeconds": 1,
        "post": {
          "__typename": "Event"
        },
        "resourceId": "id"
      }
    }
  }
}