{
  "manageEntity": {
    "action": "Save",
    "entityId": "1101227624",
    "entityType": "Track",
    "nonce": "0x355c639576190fae009f4a4ae02083b799c70265948e23558dde292f48bc1060",
    "signature": "0xd66d4d7e046162a465ef17bc2097a20a3d703d6d878c73cff9e08b1f02ec6933384df1e85d2f7fcbd18089a064611df48b5d7f631933ad0773332c1c8ab6860a1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}