Transaction not yet indexed

Mkb28yopMgL7N7AVmUMe6B8P66mme9fW81EQaYKe6JhviBAUL7ps2SzS2Nk7ZULE7xyjQg4EVtqzL3TpYLBLXYB

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