{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1151844191",
    "entityType": "Track",
    "nonce": "0xa3cc413e6a2193b24246f537886f62d476888181c39f3440a044e09a85c691fb",
    "signature": "0xab8b8579390bf8efd846b825f3b7ee9c50ac6b98c7374b49f34f36c21f8e97dc554b8f3fe9824034f23cba30efed4f66725889a95144b7ac6adcb059ffa984871c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}