{
  "manageEntity": {
    "action": "Repost",
    "entityId": "590135298",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8cca6e2b3b9d1a817f53b7008650b392e9ff29a400c80203e4937564239bedf3",
    "signature": "0x0f473cc245a6e4c5854794517896311df22cc14d989f9e29d33b7bd4b01d9e7672b14c494e95a51d7fa08710ccbcf7be22033d463e3cd69d4fff64935543b8ac1c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}