{
  "manageEntity": {
    "action": "Repost",
    "entityId": "663084437",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x81cd13a37541ea72b6c25ca5823870efb66d6ffc9775e38ba757fae680859b76",
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    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}