query action error

[blesstosam]

query action error, below is the query:

 query($type: String!, $pagination: Pagination!) {
    action {
      byType(type: $type) {
        count
        actions(pagination: $pagination) {
          actHash
          blkHash
          timeStamp
          actType
          sender
          recipient
          amount
          gasFee
        }
      }
    }
  }

// query var
{
  "type": "execution",
  "pagination": {
    "skip": 0,
    "first": 10
  }
}