{
  "manageEntity": {
    "action": "Save",
    "entityId": "53673286",
    "entityType": "Track",
    "nonce": "0x3a112693e085b84bb59adb086b290f91a4192432a2b86634f0237215ca641cc5",
    "signature": "0x0d0bc02d542286c1cde614935a1c444345542ba87950a4f3b01df7389c0a341c174b2c0e9d55387efc3aecd6173e33e35901cafe983c50cc10f42da9bb3fe3181b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}