[Orca Network] Biggs T18s/19 and T60 d & T60E and T75Bs  and T77D in two groups northbound.  (Erin Gless, Monika Wieland Shields) (additional IDs Monika)
{"aggregatorChain": "Whale Alert / Maplify (WASEAK) > Orca Network", "travelDirection": "north", "aggregatorSource": "Orca Network", "unvalidatedIdentifiers": ["T18s", "T60", "T60E", "T75Bs", "T77D"]}