Transaction not yet indexed

21uCmkWmiqCacSDK7Wkk4ft2HUaUZ6T2XCHeC7ggdGKtSCdS6egxjmPcfsbUFdzfLF7qoYg4z8TWdfyMNEWrwKPX

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