One verse

Srimad Bhagavatam 10.39.9

10.39.9

यत्सन्देशो यदर्थं वा दूत: सम्प्रेषित: स्वयम् । यदुक्तं नारदेनास्य स्वजन्मानकदुन्दुभे: ॥ ९ ॥

yat-sandeśo yad-arthaṁ vā dūtaḥ sampreṣitaḥ svayam yad uktaṁ nāradenāsya sva-janmānakadundubheḥ

yat
having which
sandeśaḥ
message
yat
which
artham
purpose
vā
and
dūtaḥ
as a messenger
sampreṣitaḥ
sent
svayam
himself (Akrūra)
yat
what
uktam
was spoken
nāradena
by Nārada
asya
to him (Kaṁsa)
sva
His (Kṛṣṇa’s)
janma
birth
ānakadundubheḥ
from Vasudeva

Akrūra relayed the message he had been sent to deliver. He also described Kaṁsa’s real intentions and how Nārada had informed Kaṁsa that Kṛṣṇa had been born as the son of Vasudeva.