# SyncRequest
added: # optional
  # default: {}
  # new items
  <key>: 
    <number> # between 0 and 255
synced: # optional
  # default: {}
  # known items
  <key>: 
    # Server time
    <number> # between 0 and 18446744073709551615
changed: # optional
  # default: {}
  # known but changed items
  <key>: 
    # Timed
    value: # required
      # timed value
      <number> # between 0 and 255
    time: # required
      # timed time
      # Server time
      <number> # between 0 and 18446744073709551615
deleted: # optional
  # default: {}
  # deleted items
  <key>: 
    # Server time
    <number> # between 0 and 18446744073709551615