{
  "manageEntity": {
    "action": "Create",
    "entityId": "1296233182",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1296233182,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Blues\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Working On A Building - Karen Somerville\",\"duration\":269,\"audio_upload_id\":\"87b58af08b9779260429ee853faa9970\",\"track_cid\":\"baeaaaiqsecxtep5fbgohp3fpzq2silitlexzcpgpxneroc6egt7fhkwznmpxw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebujauqrpmy35n4kcml6rp5nwhj32xlia23iupfbrmjbcf4buummm\",\"orig_filename\":\"Working On A Building.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":116,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":808803866,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebv7wfrf3omdpf3nithrc2zou5sj4q7lw4eq6xsavvlw5nipeuvgq\"}}",
    "nonce": "0xf9ee366d445f80012c1cc5e17db68b61762abe8dc02ec89d33d5d963ce4f2181",
    "signature": "0x98cd4333438ebe50ed44da8869f7a14d4ebc92c1fd24f5acdd1a9531516242dc4e66dd4d48cad7756e7b0d55a50cd9b65e1dffd5f44a304bf7564d37996b5a351b",
    "signer": "0x6cC77777E32393a58f0cD9C7762225a57Cd3C8cb",
    "userId": "808803866"
  }
}