Transaction not yet indexed

66ExTJfYTT1FNzekFSCpNPwNDHU7WLH8SDWsowWHJaexhWyrfbLZ86NqZNNJ6heeLMmESmvZ8mfkx3fcWNjKWG23

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