Transaction not yet indexed

388c87KLA6HfFcSn7mFud3GqPMNpjWrAr7kvzMdUUpWdZVEUkdFoo2f8bRoSE6PzGi9BpLj5SX9xYCeP4SeJVENT

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