Transaction not yet indexed

667BKKc6j7LSd9feJt9F58aHSoHbviKm4s7aGYc8djPm3WPMf3sWkYjfXkVUhpsmRT4Ymtym5pu6KgSiQmL2HsvL

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