{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1323625913",
    "entityType": "Track",
    "nonce": "0xa8b82a1c6828a2de5dfb50386a6a563624913c0b5d8a099c8985c633134e3868",
    "signature": "0xc0a9087c1e883094b25a4c85050f6e407901f061ae88b4fbc49fa1d0d70d061809efbcd3c0ceaf1bcc32d946fdf1b737e192faafb606183149a9d3f178e5f9981c",
    "signer": "0xf201FBbA39363455f5D8fB14B8274BE5571dda7C",
    "userId": "395817390"
  }
}