Transaction not yet indexed

388FvvKsqkiZtMmKZRd9mMzAYUTLNZJeqdEwn28C9mmMWYZzLMNKzZfUv89WFpyUgqH9mPzpdquKqQdEEEeDg6f6

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