{
  "manageEntity": {
    "action": "Save",
    "entityId": "88033",
    "entityType": "Track",
    "nonce": "0x0a7936f7c3fa4cadfeacebf0dfe021ef1ae3febcacfb02acf01358c6787845ba",
    "signature": "0x2bf6e37e78a30c3ddf89001b8a07b6d6191fe0be6f196e189ce9ba0b95de94d27f0a94cb8d4fc18be09fb0c037aca12060a3d73b4720c349b3553def6eac72191b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}