Transaction not yet indexed

123EXmhXXGsFTKuk6RfKCfi3nt5CkcWMMcSRCdTS6BJrsp3oxyBtZb32i7RqcQsNn9E6fY4EPcoDdRY5PFEFf7N3

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