code: def parse( bin_payload ):
     
    
     if len(bin_payload) == 0:
         log.error("empty namespace")
         return None 
  
     if bin_payload[0] != '.':
         log.error("Missing namespace delimiter '.'")
         return None 
  
     namespace_id = bin_payload[ 1: ]
     
     # sanity check
     if not is_b40( namespace_id ) or "+" in namespace_id or namespace_id.count(".") > 0:
         log.error("Invalid namespace ID '%s'" % namespace_id)
         return None
  
     if len(namespace_id) <= 0 or len(namespace_id) > LENGTHS['blockchain_id_namespace_id']:
         log.error("Invalid namespace of length %s" % len(namespace_id))
         return None 
  
     return {
        'opcode': 'NAMESPACE_READY',
        'namespace_id': namespace_id
     }
docs: NOTE: the first three bytes will be missing
     NOTE: the first byte in bin_payload is a '.'