Transaction not yet indexed

Kk6rAVLCy3MJUHjNzRyfH4up2fJRWx4DCHFkcAxvsnXQqk4UDBiQg33nxrZHT5AZXwpoS9ZXnSq9NSZJjFK5Go6

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