Transaction not yet indexed

66FfkQxbpdRYzWdq1hh5tkbJWfnhG2b3wRTEXpsGdRUiknHvDn6KkLpyikmuA4zabfp4Z8dhsUZ1Pv27cTdZS3ZM

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