Transaction not yet indexed

YkMUBfbRCK6bQSRrCNqKqnpAPkXnGgGiScBQJswD4WjbQZcjxaQjBTvsqRjLqpgPD6wWfJMh1jtVGTS8DUuEBqY

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