Transaction not yet indexed

ymUD8NrASFHv5sW3CjZcqSpL8GtrJb3usbWy6cnQsRtQU2k6ACBid4ZvESL2Pyi15gKi7Dw3eVZU4VoXqT3WQDk

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