m.federation

{
  "name": "contr_props",
  "base": "",
  "fields": [
    {
      "name": "last_rng",
      "type": "uint32"
    },
    {
      "name": "reserved1",
      "type": "uint32"
    },
    {
      "name": "reserved2",
      "type": "uint64"
    },
    {
      "name": "reserved3",
      "type": "uint64"
    },
    {
      "name": "reserved4",
      "type": "uint64"
    }
  ]
}