Transaction not yet indexed

21EXkoPY3wPCMhbUzAgVfdFsCA7ZJq11tV1uh1oWSMvNCW1krdjZP5F6zEmSSV8mrqKpC5MSiRKs6MtwK3z54TGU

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