{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121344",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8d81352358a2a159383e6aff5a6f9f212e6e2ff2f23e3c44d6e2490207a71ead",
    "signature": "0x3ebfa048372d779abd7361b1b7e708e8963b9cc9523a1aeb7b58e0ecd13b99c006081aaad868f08915a7180e88a7de1bd930c017ffd7c59fbc33a833a67f64061b",
    "signer": "0x3D4d8a781454E2338c482dE697d6DE1ACc7D9031",
    "userId": "599751364"
  }
}