{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1922127976",
    "entityType": "Track",
    "nonce": "0x36dca8fae4c01589573bba0c80632293dff1fc1dd6c999a439cb579161402f43",
    "signature": "0x59be3b4746b512d5ce9d4803d5d356f701872b02700bc2fa75474b5af67b57bd38805456504bfa0d6b1b96ca0c153f79c277f9303e32968aff10bb121933e8f91b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}