Transaction not yet indexed

ngkM8cRukFC5wUvbKmHuEhotkMsM759CBiS6AoN2ZecvBjLLwRvKuNzrzQ8isfPDqE7RSGoP2K2qWJUx7o6Km9c

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