Transaction not yet indexed

iMYQU18X9nvhPkMx7GVaT1Yif46uvBoomGdxrxyys7bBAFj2DneMQm3C4BxQe2r6L9VgRUHQLbNS4HyTSQePDqK

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