{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "12095",
    "entityType": "Track",
    "nonce": "0xe0868c50b28eef4d59b0da47dd9a20bd7fe0f159388efc3e5c66a7b921caa7ce",
    "signature": "0x69ef08be63cd7a00eb384b69ca3df704e24caea5e4fdc1e676b40ce2c11369c440008ded76b1f34c61a38dde7dfa9259e6dfb0424c7c4317b75f6e049c4e7b5c1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}