Transaction not yet indexed

421M5hCp8wyEbKwbMZFmjLKUbNFYZDdtjvKjdgx4te6uc89NUPaTp2DyWeThHNct2cZhGDX9SS3U8pUvvMa7uk78

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