Create playback metrics

{
  "required": [
    "downloadedBytesHTTP",
    "downloadedBytesP2P",
    "errors",
    "playerMode",
    "resolutionChanges",
    "uploadedBytesP2P",
    "videoId"
  ],
  "properties": {
    "downloadedBytesHTTP": {
      "type": "number",
      "description": "How many bytes were downloaded with HTTP since the last metric creation"
    },
    "downloadedBytesP2P": {
      "type": "number",
      "description": "How many bytes were downloaded with P2P since the last metric creation"
    },
    "errors": {
      "type": "number",
      "description": "How many errors occured since the last metric creation"
    },
    "fps": {
      "type": "number",
      "description": "Current player video fps"
    },
    "playerMode": {
      "type": "string",
      "enum": [
        "p2p-media-loader",
        "webtorrent"
      ]
    },
    "resolution": {
      "type": "number",
      "description": "Current player video resolution"
    },
    "resolutionChanges": {
      "type": "number",
      "description": "How many resolution changes occured since the last metric creation"
    },
    "uploadedBytesP2P": {
      "type": "number",
      "description": "How many bytes were uploaded with P2P since the last metric creation"
    },
    "videoId": {
      "type": "object"
    }
  }
}