Transaction not yet indexed

Dow15pSqLiWRt9d1EN3BTbZPWKaMEHHEPScWQPiqroJVZeyjvfcc9bsH1VRyqivXkuAMT1CFFgXcv9WPGFgdDbG

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