Transaction not yet indexed

421DPcNSdkSsWxASvxhdaeF7LvEMsWPpMqyx2PWcbqyM4QH7oh8KQ3ngeWHoWPEvUzXjSWbYgZP7NbUsVipoTdV9

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