Transaction not yet indexed

5ff4SqWBuSbNuX9Gmc3mBK7siSDEcdFv7nrEtzcsXBWRCLY9S7QGdf5gutFgY3RTHFfhvjvCEqbqfXbE9PRsjPSU

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