Transaction not yet indexed

mMssm7TqTJACounUCEBmXXFDdwPSXjTQQ5V41j3do4Pz1NEWyarpPePL99vZ7ALRnSiyLC7pjLB7S9b8ndSJhgS

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