Transaction not yet indexed

21MkxmdgfhaPkYj5SQWYdN6P7WMj44eBpLFZvPeVNNvdNAD4TkZoD2eyzx5jMiSt9Wb2TPRhMcbpm6npqvzxpy7h

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