{
  "manageEntity": {
    "action": "Save",
    "entityId": "1079697301",
    "entityType": "Track",
    "nonce": "0x11ac30178773a2c95bf712a44f3129e480f29e88561b9939ddb6933d87468620",
    "signature": "0x7c6c153dc915b6bb0cb7a9264c45942567188aaa9703769ac9cc2a57a961ba31180ddadad5569ae41ae9ad730c9b6d43e8e9d844536cc60c74806f93106498301c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}