{
  "manageEntity": {
    "action": "Download",
    "entityId": "531602173",
    "entityType": "Track",
    "nonce": "0x37ca7b56fa8f3caecfec99deda1fe5bd153e07751fdb47d965e1ae2b5316f9e1",
    "signature": "0x23fe95c7c9151c3a1034d02d2a6ed58ad39e56c36ee774d6ee04cb09ddae12727ed788b60d3ce92eb372033fef49688b936babb57cceb410f1ad7f7e80b424f01c",
    "signer": "0x983B834EEB2c355EaD77E7F76138adb8b56faF18",
    "userId": "442086440"
  }
}