When sending a button template, the text (message.attachment.payload.text) is omitted.

The documentation states the following. "UTF-8-encoded text of up to 640 characters. Text will appear above the buttons."

◾️Button Template https://developers.facebook.com/docs/messenger-platform/instagram/features/button-template

This may or may not be omitted depending on the sender's account.

For example, if you send the following button template text with the exact same content to accounts A and B, the results received will be different

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Button template to be sent

HelloHelloHelloHelloHello HelloHelloHelloHelloHello HelloHelloHelloHelloHello HelloHelloHelloHelloHello

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A to user

HelloHelloHelloHelloHello HelloHelloHelloHelloHello HelloHelloHelloHelloHello HelloHelloHelloHelloHello

Not omitted

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Sent from B to user

HelloHelloHelloHelloHello HelloHelloHelloHelloHelloHel...

Display "..." is abbreviated with

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Does anyone know the cause?