{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "235464",
    "entityType": "Track",
    "nonce": "0x1663b020697d885ca45e0c69e4ea1425574e532e1ce3a963c95968ee94bc6cf1",
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    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}