Transaction not yet indexed

mpMMSfQdLNWyYKzSmc8NNhpq32g1vVNYH6ompL5fjoQcoLybTHF281jkNtiHH1nWyzc8EkoMgznuwh9RZ2eXWUx

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