{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399413",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9934252781b3f5c06362498332964f21c20fd3f06f3ce8295c7991acba63b476",
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    "userId": "55290787"
  }
}