{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388937",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe03d07471dc881b30b60ad5b5377bb0bcc6fcdf004c779a3b580a56d56c92e96",
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    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}