A URL signing key is used as the secret when signing any Mux URL. Mux requires a JSON Web Token as the value of the token query parameter. The token query parameter must be set for URLs that reference a playback ID with a signed playback policy.
Unique identifier for the Signing Key.
Time at which the object was created. Measured in seconds since the Unix epoch.
A Base64 encoded private key that can be used with the RS256 algorithm when creating a JWT. Note that this value is only returned once when creating a URL signing key.