{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1024055",
    "entityType": "Track",
    "nonce": "0xb9e5b734cbe775114746bca6ff6475e9a5665e214bd951f8105870aef1bdc0ea",
    "signature": "0x65458600f25aeaff9e7256d4d0c93a3c4541aeb7541b687576991c6ab3e6b56f485c22bae9768e3bfedff423f30a0c934e3c17e1fd9d2a4b22730bb8210482e61c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}