Changes to GET /v1/entities

the response's body type changed from array to object for status 200

added the optional property total_agents to the response with the 200 status

added the optional property total_apps to the response with the 200 status

added the optional property total_runs to the response with the 200 status

added the optional property total_users to the response with the 200 status

added the required property count to the response with the 200 status

added the required property next to the response with the 200 status

added the required property previous to the response with the 200 status

added the required property results to the response with the 200 status