Transaction not yet indexed

21CMfw6FEKgdJSWVvzWAPhciWMsLKFs6QzKGUoypFsgyfknrwsdv6pZk9n51Nsq7dwmq9E5n1irbNoS6cpYYk69z

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