{
  "manageEntity": {
    "action": "Create",
    "entityId": "1560903448",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"holla\",\"entity_id\":68943400}}",
    "nonce": "0xcf3a319caff2181b16c46cc2dff5cdded82d71560cb45870ebbe9aa038f7fe56",
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    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "301637"
  }
}