Transaction not yet indexed

21A7sfMr5qsFAZuKymcDXfsJFD6CSTg6NfcPJnG1VTbcESRbNDWXe7dpUiCuXQFNAYDH3Uoyd1bYuwDxG5JJxh3e

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