Transaction not yet indexed

RMCoFkKEMks5KGWJGbbHHNvyGP5QBoA2LZQPGteLMxKjqnjuKqpPnzz6ZibfZqewRyEX3iAmdC7MsatDP8xDWN5

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