{
  "manageEntity": {
    "action": "Save",
    "entityId": "236984910",
    "entityType": "Track",
    "nonce": "0x06883b12268cfa36bef31f7311dc2ff5c0016c473e1ebbfd6e11cd4703eab11f",
    "signature": "0xda77f84d3f07ba8583384e3d33a9426e0683b50e27f127b8bd35a5ca69afe2e9630a941ad3c0a4bf8ad895380ec64b7c23a53603b93a0154d80580a29e9023951b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}