so.sprk.embed.record

{
  "type": "object",
  "required": [
    "placement",
    "post"
  ],
  "properties": {
    "post": {
      "ref": "com.atproto.repo.strongRef",
      "type": "ref"
    },
    "placement": {
      "ref": "so.sprk.embed.defs#placement",
      "type": "ref"
    }
  }
}

{
  "type": "object",
  "required": [
    "placement",
    "post"
  ],
  "properties": {
    "post": {
      "refs": [
        "so.sprk.feed.defs#postView",
        "so.sprk.feed.defs#notFoundPost",
        "so.sprk.feed.defs#blockedPost"
      ],
      "type": "union"
    },
    "placement": {
      "ref": "so.sprk.embed.defs#placement",
      "type": "ref"
    }
  }
}