Changes to Approve a pending approval association

added the new legalEntity enum value to the scaAssociations/items/entityType response property for the response status 200

added the new legalEntity enum value to the request property entityType

for the header request parameter WWW-Authenticate, the maxLength was increased from 10000 to 20000

the request property entityId became required

the request property entityType became required

the request property scaDeviceIds became required

the request property status became required

the scaDeviceIds/items request property's minLength was increased from 0 to 30

the scaDeviceIds/items request property's maxLength was set to 30

endpoint added