Hint #2: The string in question was written by F2Pool on May 11, 2020 7:23 PM UTC
Hint #3: string = text = message
R🐟NYTimes 09/Apr/2020 With $2.3T Injection, Fed's Plan Far Exceeds 2008 Rescue Mined ^H
https://blockchair.com/bitcoin/block/629999I got that information from blockchain explorer, Is this what you're looking for?