{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499729774",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4c242bd6b95bad56f78084789130d36a759b0f0ad1f845f695b5cb764703d31e",
    "signature": "0x4b0855f3cb781b60baaaafa2f333f754a21a7bcd0c36d393ea45fd75edffe6f1037af3c8cab973ecda892c463aaa07cc4240f6c8d9dcbd7346b041eee84d26df1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}