Transaction not yet indexed

MS55ZrQQFrntkbwSJcCAnTSec9FH2qoEwiC6R4vdELuytM1xH1CMKz1qXv7F2tm4MuaepaCToxwQPyRmg7P9aw4

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.