{
  "manageEntity": {
    "action": "Repost",
    "entityId": "311118875",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0f0fcd232d9cc537adfd220f8d40b80c9cd89a6ae333edba1847eb780cbddce4",
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    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}