{
  "manageEntity": {
    "action": "Create",
    "entityId": "1493752131",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1493752131,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Hip hop beat by K.a.ph.i.r.e (brakes on that yapping)\",\"duration\":257,\"audio_upload_id\":\"206792b88413ef1e94f6b61320fb07d3\",\"track_cid\":\"baeaaaiqseddrnbxgxypp6he7rz67py6yf5aqc3tqsve5raiwoqguwimi7luls\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseav53sqjtlecggrtcwzauolq4an5t4gmixzxilp4j5ed6dkipnowa\",\"orig_filename\":\"Hip hop beat by K.a.ph.i.r.e (brakes on that yapping).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":113,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":454387616,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebtebvdeeaiizxkpljjfvqcozfms6a7usawszpeadlwmuuyjpljja\"}}",
    "nonce": "0x1fe65579932d5234f3ab0ab4e639e014088604d303b1425584cedfa4781b2cbf",
    "signature": "0x91056adf1d3ea098cea134d27bf0e51bb4468c2c6e9c66a098142ce740b5fddb58f773770d54e61cbadddd80130e02e72970e4f0de6e251e7693113dcbf57bab1b",
    "signer": "0x4732EBdBC2A6C0771CE761B9F3BC20465b285920",
    "userId": "454387616"
  }
}