Transaction not yet indexed

21UpMwCRenNdQ4PTDDKqRMHWkKDW4tkVC5skyx7SMQivCTQCUYeLz1oMMkLgNbxiQ95jFkEXY5b132JFx8GRMKht

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