{
  "manageEntity": {
    "action": "Download",
    "entityId": "104382736",
    "entityType": "Track",
    "nonce": "0x17291ecdd84509c1d671bf308c33ec507ceda0f255fb72ab4a2cfba46cf6dcfa",
    "signature": "0xf337a103a0166ed75aad59c1ade256f84c32c3232909d145ceb104ea80f5fa7c05fba2d450dee21433a0f9c4fa53096bbf57187b2b63c4aac880266fa43b655c1b",
    "signer": "0x0d4389F8281aAb73bc1661BE62758626D856e22e",
    "userId": "604350519"
  }
}