Transaction not yet indexed

621DSSgfYKZUsjzVxksak9ctQu4FMcsLdmfghfMVvFHvK2bSskoH2ZyzbSggcFTKDAdPWoUYzcW8BLojW5qRBbS9

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