Transaction not yet indexed

MJ3mFqcyfcKHgBqSEP7JBvEhaC6YJTrA6zag3uHDVZbeYusX31f5RXXDK7aWDRWZVZMph1LuaK6ss7DAUpYiAbJ

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