{
  "manageEntity": {
    "action": "Download",
    "entityId": "1268529814",
    "entityType": "Track",
    "nonce": "0xf0c28fc566bc0f4cfb42783666b207d206bf6abf76a779562fe2d3fb87974ca4",
    "signature": "0xb281d39e518728e55c98c40d5353ecb83020bcbac5ce683895e97c3cc0c9f52878aad204201074fa6ec4facc744389a66ee80f6caf559ea8614b261feb7d770c1c",
    "signer": "0x0d4389F8281aAb73bc1661BE62758626D856e22e",
    "userId": "604350519"
  }
}