{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "117911",
    "entityType": "Track",
    "nonce": "0xbafc0c77ae3a46e3362a6f3f31258e830e9329939638688c68df8f23c5ca2384",
    "signature": "0x75c4e168568b9bae25063f489757839cd48bf79ef08d67196497d49426e859a86af477b405b8143b90453139e34f91a3112c3b90b21e6fdfbe5dc90707015dab1c",
    "signer": "0x64aAAb195fA7Ed92a6138Fb7Ffc45eb434b09160",
    "userId": "571765515"
  }
}