{
  "manageEntity": {
    "action": "Download",
    "entityId": "1919911993",
    "entityType": "Track",
    "nonce": "0xf5e343360dfea6e792e4a193efe568e85962e1a515ba1182b7adc5dc92bde3e5",
    "signature": "0x9014d6a4df9aab59bee046d6cd248982cb45820838b54078e434a3ac54f5e7e5404b018a9d1e8e4cdac0c7a115e4158e1c4e8f9960a584e9040cd54307924db61c",
    "signer": "0x4affB179527ee604CBCCb000A6fB3E5563330F2e",
    "userId": "265097712"
  }
}