Transaction not yet indexed

21NZZNg8kzF4CeJiMo9Vgy5D8PwBA49vwPS3V7KNSbur496VXqqpf9ex55N9qqDgod7mpnEmRTwzLtvAGppX9f56

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