{
  "manageEntity": {
    "action": "Repost",
    "entityId": "858765521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x639061171b2900b7d3c0afbdec6cff03b4c7c533b50109dc0b4963b9c72ed350",
    "signature": "0x314a6427578137614c68db73d6b1771b3c879576e8548b7b3a1bf96ecf3913000f388023d35f9f4fd0d4ba365cabe666759c9f5d16e3a2d4cd35f984537d1caf1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}