{
  "manageEntity": {
    "action": "Save",
    "entityId": "1632094481",
    "entityType": "Track",
    "nonce": "0xfec28e0a9635806d0c7b5eb5b4fa33dbd02149430e824a5918072c4579e86d97",
    "signature": "0x1f072561da59df388e14d8406aa10a27dcfe163c7c96f2b1a748cf1e10d846994762eb8da319c351d9c2570d05d2e70ab0bcbc693ad2aedb909b384130c8b1441c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}