Transaction not yet indexed

21Z6UqWRZsWPPmufvUXQst5Ze2dYPwGYtbmTSQQS7Yf96GGPrnCFwtbAibjL5Zfv3kcDzwbM6XPmLVv7LXKP7Kc3

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