{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758894678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5a471d188467ad37d1f70313668fb70e34db961233f255a26ce8b76c80fd3361",
    "signature": "0x52ce20e9f6fa88f12ffff028dc0b3771c7c909f790bfc60a9e5c8b4032bb8bc25ce79e0b4f4493004255b9f896744937461887fede1d4d0b9777548d9ce1ba411b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}