Transaction not yet indexed

21d16w5SfTosUoyxbbiYR3X6CuHwVfJKm2SBmpxuZfwp7rdYEGf48fUwRxXLarh1W4GBg1pAHxGwq9c9nAMCm6oM

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