Transaction not yet indexed

21USGfWQ5zEiXE59f5tLmrtaUsXf4zAsUN5NU1PTjoRCx7zFDiHs7qSFvLr9WEXQAkC3WLTqD447YpdTxZcNMLMC

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