{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "246236460",
    "entityType": "Track",
    "nonce": "0xe07f3fd5f2afad3df366ab5c8d4ee275790a95a4288545e49ad8f4d6b10e04f6",
    "signature": "0x1015b643aff85f13d6f671562898007e54c3558605a10b8bf18e980410d1945f458def7f0e4074786670d21acec97065217c955191e59b4b7742ee7e917536381b",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}