Transaction not yet indexed

21i7DDGLMSvXs9u9CfypU53bRqP5vDHmX31qVPsPfZocrT5LMPPzEXTKDKPjBLinfEEE1a4azcwbgYKBTSNHVzrq

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