{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "482499501",
    "entityType": "Track",
    "nonce": "0x218c969227f2d2da96dd96ce900509c295ab6745bcaa97df2ce0ca162b276711",
    "signature": "0x50db3a67f95c462b4b84ef3c8b7c7f91a3aaed075bfd4b3586f39fd7a415342d6da2db8af4b21033464a44107392d8549a9576c340b9278fc6651d6ab527a12e1c",
    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}