{
  "manageEntity": {
    "action": "Download",
    "entityId": "747513663",
    "entityType": "Track",
    "nonce": "0x741b5738cfbd3478816851cce1484f5c20c4e41e8595d8835167a626c369dca7",
    "signature": "0x10f6789f1b70e8355829e00f3dd7512efccdd59eecdc9bc7c195320842ab972b04a17c3c7913a871c27054c3e4ed924d15cb574c3b43a3fa30551da86f011a841c",
    "signer": "0x3cf6FF901a10bee039E9Df5AFAaA01C657d09e4a",
    "userId": "186461844"
  }
}