{
  "manageEntity": {
    "action": "Create",
    "entityId": "584948933",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Fireeee\",\"entity_id\":1440248945,\"track_timestamp_s\":34}}",
    "nonce": "0x65870585a8ab3cd856e8eccd42bb9441fad85753ea5d86b91116d1ec6aff5189",
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    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
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}