{
  "manageEntity": {
    "action": "Save",
    "entityId": "7036944",
    "entityType": "Track",
    "nonce": "0x902efaae76877b269527c21860b3ba370d42d27d7317b4366c97d810d3a97606",
    "signature": "0xbb259c917f11b4c946f31e290382f6f129390a2cfe8ad9726faed2384c8ea02a119a09c39e92d735e8e31514371b26dcb137c29d461cb9bafc5b1c92234a434c1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}