Transaction not yet indexed

21FG351VjT7xSUnx9EonfGJcMkRa19QU35uoh3Kc4c4jcqFQ6hRW9tRh3eo6w7zN2Q4WKmoP6fwdkCUhdTFgcccD

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