Panic while uploading certain item attachments

[HiteshRepo]

We encounter panic: were unable to deserialize while trying to upload attchements using below API:

client.
Users().
ByUserId(userID).
MailFolders().
ByMailFolderId(containerID).
Messages().
ByMessageId(parentItemID).
Attachments().
Post(ctx, body, nil)

client is of type *msgraphsdkgo.GraphServiceClient.

Below are couple of sample item attachement jsons for which we get the above panics:

• non-nested item attachment
• nested with event inner attachment

However we do not get the issue for below:
non-nested item attachment #2

Please advise us in case there is something wrong with the structure/content of the item attachement jsons that is leading to the panic.
Or is there is any issue with any of the below libs:

• https://github.com/microsoftgraph/msgraph-sdk-go
• https://github.com/microsoft/kiota-serialization-json-go

In either case we should not be getting panics rather some appropriate error message.