Transaction not yet indexed

621QKwwuCBAVwyMrZzjozXDpbrRQVdwuv69uSfcxcWhwpcDw9bT1b4hFocrJSwFgvUrihDiKMus2QCpP9TbX5dMq

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