The very first message was published in the new telegram channel Jul, 1 2018. The message was in Russian:
HY3517 (UK78702) charter flight of "Havoshka" departed Moscow at 23:30 (MSK) to Mexico. Mexican teams' fans are on board of the B 787-8.
That Dream)liner is the second of third total delivered. It is in service since 11.2016.