Transaction not yet indexed

421mrmPf3Tkb1QfBPQUwUo7zHQBJvhF1VFRbqrYwiHEvBFRsZ9DUb62yBcTMmmEJoQM68eAaVVTJ8bB4drMEvEnh

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