{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "287536",
    "entityType": "Track",
    "nonce": "0x0ade2c3357a57691fc155bcbf16b15bb92336614f55e570226b9c6b08fc1d14f",
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    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}