{
  "manageEntity": {
    "action": "Save",
    "entityId": "1796445044",
    "entityType": "Track",
    "nonce": "0xce24e4e1373bcfd185283bc3706d188d7935438aa45a6f0594e0934864e49e47",
    "signature": "0x51ee0ce4658f35deff7212b8ad71548bacc7c3615f116baca19cd44a86144f491be433d323e216ec75150dc612c46affc5b0dc9a4ac9f1be10d8529bfed307011c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}