{
  "manageEntity": {
    "action": "Repost",
    "entityId": "248559",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43cd807a4e53bf466867ca8c7d8033f611f57ed0022920ffcf6dcda4e11fc9f6",
    "signature": "0xcc741272506cf0453c9a7fd074f81484c55ebc834217d305ecabf732c7b056d8266e505431d583050362af426a27a2f0d711a90f0d015f14c04d99136227671e1b",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}