{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": "dynamodb:GetItem",
      "Resource": "arn:aws:dynamodb:*:*:table/Thread",
      "Condition": {
        "ForAllValues:StringEquals": {
          "dynamodb:Attributes": [
            "ID",
            "Message",
            "Tags"
          ]
        }
      }
    }
  ]
}