Transaction not yet indexed

mMYKZfCfb1kZ2uYpsrncMW47Tpaff31odjSjrAPmsPGZFXeNfDADG4kBZsoZXjYsd8bSGneXMp9LmEgktbc8zUS

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