{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449657",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x76a185f9e7056747cda12714f1ff77a98beb039cafa52474fb646ff2efa96469",
    "signature": "0x7c9a3eed8a3727e81b60482e97ba668adea0069ba649689a1efdfa45768ad9a13719727f140ba550b15fec4729d8983b452c12ba0d38412d853a280977ff7eaa1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}