Transaction not yet indexed

668QMeWDpcjw4P7FqTaHftmhsMk5LpiT2S3yQzhss4vvZ29FKWqfKrAXqKrLi677EesHdp4RFazkRWMErnJrfsGy

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