{
  "manageEntity": {
    "action": "Download",
    "entityId": "1889231712",
    "entityType": "Track",
    "nonce": "0xf89859cfe7028bef248fd53a651766d71e6f3ea6cbebbb73cb8acb3ddbad2188",
    "signature": "0xc918d70de93459a5c4767eb3072ae44f6d61de49ecbd38a48edb5c21d251660c44601b4b82d4cb0b086c0e3a0e1ea431220ede274bdffd68237577c6cc2318f61b",
    "signer": "0x9309d7e48f46fbac605153ee4a20E4561DA646eF",
    "userId": "808965742"
  }
}