{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857648104",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfde08481567745f75433e1ce66ad360967936de74f6e059bfd0cad1f2668f028",
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    "signer": "0xD06A00B950F1f08B348e3cEf0B75Da0010adF313",
    "userId": "238712"
  }
}