Transaction not yet indexed

55NPM9X81VTcdqWuRPa6bqRX1kcBp3cWAFHmCJiMHQNNtYY1xqRwsMywf5rFxz9rMCoTmmvAyQ17J1MJnXGkNAe8

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