Transaction not yet indexed

21Xfib4RmBoccbAFxNQ88FEVQTybf9fHveCwf2nfu4gdmeRkbVRbv5wcMZ3qQNT4qnqWSvuHZLyv2FGSwcCS5LCE

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