Transaction not yet indexed

mpm7GxL8cFDfaMZDGTRkaR3qFq5WdKHHPWgb8waMtRT5c3WDp7Bo7R91QfPGZwJNo2LGQqtkENnqSNMX8vE3NcZ

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