{
  "manageEntity": {
    "action": "Create",
    "entityId": "1873792831",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"@illexotic thx a lot dude \u003c3\",\"entity_id\":164904024,\"mentions\":[1721],\"parent_id\":1996676768,\"parent_comment_id\":1996676768,\"track_timestamp_s\":147}}",
    "nonce": "0x4d99c98ccd4b7c986b9f93d75c8d346443755d5c437652e1c957e33bda55d675",
    "signature": "0xbd8de4c70d2f28601a12b7d1c53fd64f9480fa028ae57aef2d12a0f5d1cc4f837803f6dc4dd1c955781dc69c222eaad04a5a9c9994f82048909d2083f346dffd1c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}