{
  "manageEntity": {
    "action": "Create",
    "entityId": "1197196922",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"fireee\",\"entity_id\":1907448598,\"track_timestamp_s\":82}}",
    "nonce": "0x375d8c703ec5f6ef2848d72abd6af821510db12ae9f12edd314517237a012d2c",
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    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
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}