Transaction not yet indexed

21MDX9rnCbqfHZKe9GVmq356w6Ze1Gh8GF9RMNHzAeMC85v6XkvGb7P2B95gavCuDnsHZcYUEULThm8k1zLjRsC7

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