{
  "manageEntity": {
    "action": "Download",
    "entityId": "1062715293",
    "entityType": "Track",
    "nonce": "0x429a7eae900874f9a3b0e63a5083c6e3fa1e4b38a8e5050f505909d0b30094f2",
    "signature": "0xe3fcd53b936f04f5b053dca94f60f2e7f29eb1526480ff0eda42e7cde3a34f234bb2142e6832b64b0ac1f11b05d6dc8059437e7cbd5d3dd82c0b6ef16002aed81b",
    "signer": "0x70c1d679EC220620b2553B33Fdae4fc9d7B4Cd64",
    "userId": "667541109"
  }
}