Transaction not yet indexed

NFf4MMszEiocSbQZkCziwQaheqNYKDR39irjXcT4npVmUkpwDbcnstPbPCw6x2aTgmsNPeY1WH6KfK67DUyQcU7

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