Get accumulated message metrics.

Example response

{
  "outPublishGovernanceTransaction": {
    "lastMessage": {
      "txId": "txId"
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "outPublisherStateTransaction": {
    "lastMessage": {
      "stateIndex": 1,
      "txId": "txId"
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "inTxInclusionState": {
    "lastMessage": {
      "txId": "txId",
      "state": "state"
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "inOnLedgerRequest": {
    "lastMessage": {
      "output": {
        "outputType": 0,
        "raw": "raw"
      },
      "outputId": "outputId",
      "raw": "raw",
      "id": "id"
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "inOutput": {
    "lastMessage": {
      "output": {
        "outputType": 0,
        "raw": "raw"
      },
      "outputId": "outputId"
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "inMilestone": {
    "lastMessage": {
      "milestoneId": "milestoneId",
      "index": 0,
      "timestamp": 0
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "inAliasOutput": {
    "lastMessage": {
      "outputType": 0,
      "raw": "raw"
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "inStateOutput": {
    "lastMessage": {
      "output": {
        "outputType": 0,
        "raw": "raw"
      },
      "outputId": "outputId"
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "outPullTxInclusionState": {
    "lastMessage": {
      "txId": "txId"
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "registeredChainIDs": [
    "registeredChainIDs",
    "registeredChainIDs"
  ],
  "outPullLatestOutput": {
    "lastMessage": "lastMessage",
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  },
  "outPullOutputByID": {
    "lastMessage": {
      "outputId": "outputId"
    },
    "messages": 1,
    "timestamp": "2000-01-23T04:56:07.000+00:00"
  }
}