Returns the timestamp offset. Timestamp offsets can only be set in dev mode.
  GET /v2/devmode/blocks/offset     
 GET
 /v2/devmode/blocks/offset
 Gets the current timestamp offset.
Authorizations
Responses
200
Response containing the timestamp offset in seconds
object
 offset 
 required
   Timestamp offset in seconds.
integer
 400
TimeStamp offset not set.
An error response with optional data field.
object
 data    
 object
 message 
 required
   string
 default
Unknown Error