{
  "manageEntity": {
    "action": "Download",
    "entityId": "2010901007",
    "entityType": "Track",
    "nonce": "0xbadf395865cafb6d160f56c6d7583857691ec3784a2b8a3ea0bca06d7d00dd4c",
    "signature": "0x79f7dc8ec292ed5b51840bc3594290139f8a128a9f20ce2cfc3373e3d93859ec1074fa6e476a4b793fec70cbf28094dc688c6ee03da1b2585d598264074220171c",
    "signer": "0x902f44EfC70b1BdD57fb414F496Ed8386Df5f30E",
    "userId": "614928708"
  }
}