Transaction not yet indexed

661fRGLEDpzuEWNjpA2WHxioCLvFJSSkUXmqSjq256zdaA3CmaX4dqPvaVCeBZBFdyrQhcYTH8mqnftsz9P4dWuM

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