Transaction not yet indexed

21Xvw7kkBookG9nETqebo2Wdjv2U6kk6fv7HxKTmAQu1Eg5Vi9WpkWvZiEPM9PmBGXMXwzzaXEKw7WJh3Psb2pVA

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