{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499678246",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc1d30cf27cfe774f92ca5a1f6ec68e643ef8d81e97311062fca3d7f79055a30d",
    "signature": "0x46ed596b60960659466a56b573f681aa62a2214f745c7bff4bd3b42163de447a155adff786f93a90767cf839b1a445851ba406d127ec018019112924e3922b971c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}