{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "234696373",
    "entityType": "Track",
    "nonce": "0x6cc9a010a25a6ba5efe4ee973e97d9f4949f1e005d4eb210484637b3daf0342e",
    "signature": "0x9a206f9347de7a39364e51da5c46ed24a951245ccc0e7931aaf5c914449a35fa12c9f2084b2f55b23027f32a4bdd434ff93942f4e9071b3f78eaf86f464f33211c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}