Transaction not yet indexed

421AtSh6p4UttHFQAMGXsfUXVB14PkAZBcgXCWduDmxYAuDkJisTj42ryVYUSGLzFcTZHKERu17dWVunBzBfm3Y2

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