Transaction not yet indexed

668M49EDMT9bVMcp154PZC4Zt5HQrJpmqKyAcWGtr1SqXCvfayHxitVbYidtXbPRhEba18em2ZkWUjcbWNtwtBMb

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