{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1753607898",
    "entityType": "Track",
    "nonce": "0xefdf82d416591e9394a57d6b5e91f09daaba62259dfebfb3aecd2ae7d858df0c",
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    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}