Transaction not yet indexed

21NULAwFY6TiP41QiAhC88AFPbEwpfN3ogy5mKfBzsxzpArt6Afejvnr6U4YJgsUdePSYp5f4uLKaE4wXGnSdGNZ

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