Transaction not yet indexed

MH2efMK4vxAZEKgJe7FUcnyZ5JhvobsBgA7fByAsoi7CZwqUeKf7Z6QuuNQRzPyyvDgzZxWqatVHQjsnVWwM7Ee

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