{
  "manageEntity": {
    "action": "Save",
    "entityId": "312410592",
    "entityType": "Track",
    "nonce": "0xb379ef32341c7e925548c3cb88752a5f6373af1169cc1c1f51e3916b5c70caa4",
    "signature": "0x2ee42c8c9f9bc8c76e9f64a4527c44b6a15c27c2e2ed6d53ebb195134e94e5cd197d1802e481edb9df475f056e02a30803ef52d4c38f39daafa3af33d9300ccc1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}