{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489934863",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7fcc50513a4e8c72930f3d0562d10f93b02a6a9a5853738d27054e7349a06ac0",
    "signature": "0xa738899041bbe419cf2d8dc277e2f0762548ce42c709c36205bc033d153d3efb4738489909e5bbf103253bcc4395a7735d18ed9c58ab7b94b0ba648f3f3f36521c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}