Transaction not yet indexed

21ULkvTU2ACmPsqt7Dhr3DLfN8X3FX6DCFrjbsTJRUifUSMbsZakzSTcHp5WmTtwp1v8VpmxrbbRRgARu6dog1nc

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