{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "761498324",
    "entityType": "Track",
    "nonce": "0x6a3446068b094b87dca803722982b7f79dbdf3baaac018387ff0a9d724838e34",
    "signature": "0xad20ac90760b34f5e7c18238d3110b12704f755d4777880b35ae27fa5b7e36f92b1418afe32cfff7d5f70f151582f4730f68713f0c2ce240cf2417ad9697e9101b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}