Transaction not yet indexed

21ZmVBkA5yWyAdGbzvrCYwjAX2Kohyh7hzZLS4vb8Q1ufs2b4pimzYPeaPoT21rMuxPkTtaPGJS9vbtU4Sh2gQq1

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