Transaction not yet indexed

a66MEcPqdTS49o2cidSYYdr6P7ZFAE5iodTmqzfAU3YzzSCSDaZ7zUEgZP4yC2MYWei6P2hRKz3TRaqRL8XEhBY

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