Transaction not yet indexed

668CcECVmqBjJMitdQ5xzw48ndoiYuAp4XmnVRNHjVmxBB9WN1uwiVY6ukyPjjG3GL6udbyzfdoUE1vwb3Uh1rnL

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