{
  "manageEntity": {
    "action": "Download",
    "entityId": "566029868",
    "entityType": "Track",
    "nonce": "0x7197faa5e22d5217bab2718f4a236da40c31751f751adcfd94a42855c2dffbd3",
    "signature": "0x0f90de06ab902b5c27f44461c663832a57b19a6b951af227060a3d056ef97f2f68d2fec7222464eb7a21cf6b68b1e9977b636981002a88ca978a97b47204beff1c",
    "signer": "0xBB00208e99a2bdf716AB90e9F3C2928A7E512c5d",
    "userId": "738363750"
  }
}