{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "2097112140",
    "entityType": "Track",
    "nonce": "0x85017d095a43e5e4ca9fca9790ecd97d54a3190900f41ffb74465e5d837f786b",
    "signature": "0x86ae2807175653b22b441d81039fd765d64c61c6a29b653d0bd1f01b2453344b54a7f3b006060f652b8909ed0beebef19f914e3e7f4c0419ff25e285b13f88721c",
    "signer": "0x061A60900C738C67bcf3F9Cb7Fe8f703DbEc8Ee0",
    "userId": "718327235"
  }
}