Transaction not yet indexed

388EBdvJXyExieJeSMZxrJU7AjxVSZg6dVBxWH6vzAEdJP1LoTNegpQviZ264K5fnPBFWSEq7LT3PsgCkScs3eyM

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