{
  "manageEntity": {
    "action": "Save",
    "entityId": "692271511",
    "entityType": "Track",
    "nonce": "0xd510c703568efea9ad44cb1f56efe1fae6ed686e8e87e63f10c701726fc4edcd",
    "signature": "0x2e4bb0d11913c593f5b46f5ba977311b92911111c6580cbc60cd23752f1047493501de6539b4e9006839582a9ea5e01ad4968c7c30eeaa81ec269c4bfb2dcc561c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "175162"
  }
}