{
  "manageEntity": {
    "action": "Save",
    "entityId": "1795859808",
    "entityType": "Track",
    "nonce": "0x1a0f7ba399c3f36cbb30af58f154d3d943a86c0c618b19584ad61f7572a68d70",
    "signature": "0x1614b8fc3997c7967b7ea16338e86431e77e6be702cb8e212e9057802759654a322d7c72732a85b3aae7a466a5fac133d8243fceaf9686ec1d7c999ef421afa01c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}