Transaction not yet indexed

PMkaiApqqKj49r2TmSbFve2ceWcBWYJu89urfaESwY9P9T8EPqAzgE4uBM9dzo8iCuwgriC3pKWLVEHTLM2PSpY

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