{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1378628721",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe7838d2e144a6a62a639d265b2e8a6438f2563006a336c2b61d80a06099f7af8",
    "signature": "0x41a3a9a9e397a0dd85484d34afaab0c4a283d328740b9d33c2ebc0b4cf1489fc7435c0ca69607259d647bb3b827d474e090f21f6a84145b9958a960af8ebfd4a1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}