{
  "manageEntity": {
    "action": "Create",
    "entityId": "1896195150",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"ooooooh this is sick\",\"entity_id\":1352506965,\"track_timestamp_s\":106}}",
    "nonce": "0xa900af06946c0495c04c56d71afc18a15832d1ea00df3e4b658b52adafe884f4",
    "signature": "0x829e048452538e24fd2491f47d74b72cdfc84aa72bd37aaa256c8b98a4f314320d8b6253e9e8406077a0d58fac34fee0b61cb90ca78c1863abb09139400fb45f1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}