{
  "manageEntity": {
    "action": "Create",
    "entityId": "1674590521",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":52309,\"entity_id\":1114074545,\"body\":\"sick af!\",\"track_timestamp_s\":34}}",
    "nonce": "0x7f7958c567836ad609f1fe33724ebcaa9780e858e60cea58b8bd3647d9b49925",
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    "userId": "52309"
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}