Transaction not yet indexed

21UsJzFoSa7k1GsZHq8yReEaP71TrXrFLXhkNFNCAn8GFQJYCZUdb1y5XQ9fKdekDFX9FSxtvyJQafZegiYocAFT

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