Transaction not yet indexed

121ZeKCVgmcPmcufw8sirfb1YVmLAHgFrXBeMJuUo9eoP3hMLwo5DyAoGgwRgXwthGz7nqChfBJrkVmTfCDVnYS2

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