{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "993152250",
    "entityType": "Track",
    "nonce": "0x14be8393ae7b4efb84ba0adb4c3dfdabcee39be24745badd57785120bd2c6693",
    "signature": "0x1718c91d984572780040d8d11b02e69d0cd32451b96b2f8469aa347224fb8e3225900570f0a94e06fd83bc71770ce8d66ff8bfc3b206f0e3a84224fb59d9a6281b",
    "signer": "0xD2aEa727f671E6fa4285Abe4d682746f0c9e8230",
    "userId": "602590632"
  }
}