{
  "manageEntity": {
    "action": "Save",
    "entityId": "1699706938",
    "entityType": "Track",
    "nonce": "0xb096671df6a4c97f49ac2121913b9c7a5a951e7a75484090a730af3a0155aa0e",
    "signature": "0x2aa42e05ff0f957a23dc093b02ad4b79a0a234b76f1b9f05540ddebf1d00aa474546c681eac975c8a36c6f0be5effa2096398ddc854fc6d331ddc68f709a54061c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}