Transaction not yet indexed

5mktwTNcnMuTKdUQsDmoThyayzsXBFrQQ5ozMeD9HBwc3dwovu6aDfDBS8mvsB4hYRZvcU7fLB5VkCSXb6F8XT6S

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