Transaction not yet indexed

Mu6ujEKAtXWK1C7kMJ5pZFM9ndmjrcgwZ5u1mxmpwgqV7CuuaD1UpNqqrtmktP2RmpwhKcDyHSpktommoWe2bd1

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