{
  "manageEntity": {
    "action": "Download",
    "entityId": "1011644712",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Kansas City\",\"region\":\"Missouri\",\"country\":\"United States\"}}",
    "nonce": "0x9e8c79b68192f0be729ad40975413dca13e8f3c71e11f2ff2ef56dcdc9cd4e6b",
    "signature": "0x1842927a1a5f95667c78008b3057a403f596254bc4a5ac6c1ba69c8d652978e277f4c2f32d65bfdab3fddecddf97f48f69e9e2608f30d15c5a416fc892b537a81c",
    "signer": "0x439Bd15dB9931cf83457EC062f21a9414bd3d853",
    "userId": "550773141"
  }
}