Transaction not yet indexed

21a6TXqy43ubUBq97bSKmXMFBGNZXbzCfNXE53Ag7AomuZkvFZdg5RP6ucKB4LdLuZ8W5qeQWuWBqs3mobk8MnHj

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