Transaction not yet indexed

MXwk6TaZiFrPugyFyn3XG2kuYcHYyVVbQuFDSEXyXqDEJpGLfRxgzpZtyg29pGtFsMY2G39ApBGepJKGnV9ap7o

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