{
  "manageEntity": {
    "action": "Create",
    "entityId": "372814511",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"HIT!\",\"entity_id\":1092668920,\"track_timestamp_s\":113}}",
    "nonce": "0x1f1af2fb8c58a845b2a40e0a77f416a7a001a8d8c4f95e41adbb303f7e7614d0",
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}