Transaction not yet indexed

5998TfMtDAaJPbApG5dPM2mShfxzMCJhenM2WDxJ2hrJtq9Qi2Q6EhPcDMp9Ufcs5QS1csYdRGdhZxNWNBcN5ok1

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