Transaction not yet indexed

Sff4vUuqYfejETeLSiiXmQ1pbj4oUR6eaLC6JPokEDst4k6Rj3LD2NPkTo2weggS9wUaDH2VeS6UAp9PL2U8Vuo

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