Transaction not yet indexed

SMtk6D2Pa4Yw1n9xiWK4KYuB23vQWTZK6Z1G4RxApCL6UeKySDZ6CYiVxudzCZ4XUGJY6MYpXPhY2zhVmVhhNuF

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