{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1098846257",
    "entityType": "Track",
    "nonce": "0x2fdfbd5cbb59fc7b1d144f08fc838fbd4a6266a04f452409065ce45e73bf5fb6",
    "signature": "0xbedfe6b8ed58b70a9a580e537084c0c127997bc30462a08b9d9f182244c4b98d221f9e0d1252a8d6d0c962d67e46bc0531bc8c9807f40219f2d4c24d4ff1c32d1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}