{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "641741265",
    "entityType": "Track",
    "nonce": "0x39c524c1540956639d7c1628813f1d579bc41c4044937e91f47aa41fa08af845",
    "signature": "0x35607af75c647dd6362122117438335b9199630004501e79912a43cae479b98c746d10d59892ca9f2483a958d7e9e8701e4a75a5d16a1ce65adb4ed51227653e1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}