Transaction not yet indexed

MHMFfRnuff42Bm9xdUE5WsKrpCUG81KAdGYaGTrpTgCgsTLJSbguQHkWNueg6AaCVAvWzqy2Pf2RzxfZU2FHuXs

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