Transaction not yet indexed

53f6tiBC1eNhZGyoYaZqj7PS12fTHWLXNYuJ4mSNUS3UMg8JFbzKgPfNMoP96qZphxQtz8ErGckgGDJnJdAf6UE2

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