{
  "manageEntity": {
    "action": "Repost",
    "entityId": "138345643",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2499f74c214e42e50a1f9cd837970f9d9bf34a18e9377304919d95e67606292b",
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    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}