Transaction not yet indexed

21zw6v8nw5cG2vJSuYNxJB1FSaximgfmMHGFvcVBDe3BrmfH8HTqBRciUGEjBwEsVDfxbfPKtMf5a8FWkQQFrGN9

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