{
  "manageEntity": {
    "action": "Delete",
    "entityId": "429681825",
    "entityType": "Track",
    "nonce": "0xef5fee46f243d725fb7c2ab97dfd6695c51055b6387a956e660cb14089518329",
    "signature": "0x57a029ebe2d1f833763aef1ebe7f7863a234f2bcf73550beb9909c368ddd182c4ba9a05abbcf8ac4b8043301196af68c61c66783b0cb97bdfb54939370ef0c2d1c",
    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}