{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "364095",
    "entityType": "Track",
    "nonce": "0x140f8d157662be10118f7aec263c5e5aaea8e038cc2b9fb0fc7ca10f3441b0ea",
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    "signer": "0xCD8Ad6BBF16D2B91C83B8C5b2Fc6b5e6f28d1825",
    "userId": "334015"
  }
}