Transaction not yet indexed

NT6mSmes7bCAsC8PUx61dAGbDWxDTkHPw6qDwHsWg7rQuC6vtpsZMsj9xHqFRLcCc9FpTuLUjz521SSKq6pXsnK

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