{
  "manageEntity": {
    "action": "Save",
    "entityId": "2025058270",
    "entityType": "Track",
    "nonce": "0x20f59ad2326c36e80cfaffd7eeebb5ab1cee92863194597fe4b3479494f540ec",
    "signature": "0x344946648b028a620d5db98f04edf6d11ba8ee5e1ca335d78fc635714db5415d7070040c82a4fdbc27eaabc508a655a4049b380e9d0ff3ce7fe9c299072ae9251b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}