{
  "manageEntity": {
    "action": "Download",
    "entityId": "1930649457",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"London\",\"region\":\"England\",\"country\":\"United Kingdom\"}}",
    "nonce": "0x27578af91f39b73b98f7dac808f067bbc9a116ec23d2d26bb92576c5112c8819",
    "signature": "0xef3fbe1ee5d4642a41a677ee1fb04e74fef14e1dfc1d6566851414ebb6ea973d3eebbb57e4f07a819b252c26ed47d7a72d092272a840aeee7e0f9e3ad71913cf1c",
    "signer": "0x3Fd8309A0f7E8Fb8281FABD2BC1C36d755880326",
    "userId": "534868031"
  }
}