Transaction not yet indexed

668myZDkTRTkYWMhczfVCsPe1HQecB4BM8XwAys2bNaWzFvCGcnPXsriMHxbpbvNzABJ1aYYRksVNQHbkLoYxZv6

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