Transaction not yet indexed

1JAMMTUP8AiGn551r2ukYVAJRfmL7iLTDwTTReSQ9Vq6YjrNg7sR2enF8myy2nWyAMXfLcxjPLKagVvDS22XbRh

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