Transaction not yet indexed

1u53Lpm4R6rxijoZ8qjrB7RMHSyLU26SUG4QsbZPQfnwtJ7raY4ckK8vtxLA4C1np7x1aafLvfPgsmWhCmA9mWo

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