{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1746038627",
    "entityType": "Track",
    "nonce": "0x2068d2af36b60c08da1484708c998ea03f61d6b0dbc4830fe32ce69e1469f2fe",
    "signature": "0x37687125350e0bf4bad46439173f8d256a8b799b76c0bcf562691299499dd80538d9c70ac9bf1f7384eb8e5a0c0ccbbc0c1512ca025b6193e0cc65ef5d7049771b",
    "signer": "0xC59f7055B078B1Ee57c271E19BE5Dd7033FD64f5",
    "userId": "950751701"
  }
}