{
  "manageEntity": {
    "action": "Create",
    "entityId": "275942318",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"I LIKE MONEYY\",\"entity_id\":499441481,\"track_timestamp_s\":43}}",
    "nonce": "0x1c31ec7aa0b690d8c2f0a1e0b5edc196c7cb0c8ea951bd87212a24cdaf6e128d",
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    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}