Transaction not yet indexed

55nUdDkYxpJSqPDq5vtALzHeTBKEZUkqUt1L6P29NsmFaHA5eE4kQSJB9SUVHFJS5AtsWh7qNhyZdTQRvfmCxRps

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