Transaction not yet indexed

21U8eAbNXNe6mFmD1LMK2oyNarmjJnRLefACgC7EkhqQu4e3kYTM2W3uXx4ueBotZyz7KpkRkXfsSdYP47KPZWUu

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