{
  "manageEntity": {
    "action": "Repost",
    "entityId": "476807",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3775deefaa1fd7b3921ac1dd2bb17e60ffe96871b12f9e3eb56962e47cc39259",
    "signature": "0xa5e9d3771937f69c4df5f4e9ee7638dd851bf95ed8522d1a13e4df04200772a718f3bb77bcc5d524bb7397e83facd8bcd41159a499f9085e8997ecd3fbbef1d11c",
    "signer": "0x28b9f9197fB6fe7356F4228d71DCDD1C6aA3C8c3",
    "userId": "252398720"
  }
}