{
  "manageEntity": {
    "action": "Download",
    "entityId": "509365",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Miami\",\"region\":\"Florida\",\"country\":\"United States\"}}",
    "nonce": "0xc7a8c942618f5fb97f52a2c0b9b26bd15016ca76136838854c46b12e11bd9890",
    "signature": "0xd898b2ea2705354f598abcf3a55429d1fe4a2726b7f2b018fee95f967feec3b31dd160ffe877d2789613df54e18f3c03881f05382d5065cd4bf1fcae4b736eea1c",
    "signer": "0x73C69e0c0a50f0E228106C863e362C350a86Af87",
    "userId": "190031"
  }
}