Transaction not yet indexed

21Sy1urcFr7n8n9KaGZX3BLS7jMzhtGQ7ojxihkWtmgs97RwiCdUYhz8BkLCGdTXpgdhYoW4LFVBFNtRTybd7PoM

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