Transaction not yet indexed

21UMm1QJDUw5P581BcYbtVbfXQmptqHWJq8XvDsXukQ1jFxStYjvcPiQnuundyF3CFECt6XUj3DM5kKymh7qUN5s

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