{
  "manageEntity": {
    "action": "Save",
    "entityId": "636326995",
    "entityType": "Track",
    "nonce": "1786344321993563104",
    "signature": "0x7aa3ac833f8fbd0ea8fa1cd537917eff031a9b9a950b840eef9f960c678ebfe246f26ecb0bf59b31ad7ee1f240593e28f2b73bf71362307720125dabfc7b5ec91c",
    "signer": "0x6620103988B969bE5810F1B5530c1A44Fe6048A1",
    "userId": "568518925"
  }
}