Transaction not yet indexed

5ffVkf5fVpeQXxWeUjkdfhPDQYuYMiTo3nhQAHURPon3P9hHs4RWcmN4CvUndYyqCwsDvadTGBWcDztzhLM4mow8

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