{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1226625536",
    "entityType": "Track",
    "nonce": "0xa95f0a163c19da280451332b5cee112b8d10edd4808babc321885b1723efe5d4",
    "signature": "0x2906bb91a9b3e4d74b8192c9061c6dee045c38c1670e69689c664bdeb635d1482c95544606693e9b8bc406fbc84385c8398380f61112f99e4bb93249535ef5551c",
    "signer": "0xe4Ea084F9bb1e51A990963a37aE0E92E1809ac31",
    "userId": "250037451"
  }
}