Transaction not yet indexed

Me55M5VcUdcZ9TsAk6aFqf2DpBdA7sYhsdRKHkmWYsWjAnASdRQhjiEJ2L1bbbS7cS6Pgp1X6wmXjdXEQ4H3hP1

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