{
  "manageEntity": {
    "action": "Create",
    "entityId": "51450369",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":51450369,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Dubstep\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Gritty\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Petey Pablo - Raise Up (TUFA Flip)\",\"duration\":209,\"audio_upload_id\":\"3783883b0a99f884e0cbd10cab4d4567\",\"track_cid\":\"baeaaaiqsebc25exwglietsgbwlr2w2b5ggcfqycf4v4b2pdxketa4cad4xsj6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedb7kyl3fsaocauwbi7tpz54tmf2uq7keuh3xmq7rnvzjxtabyakm\",\"orig_filename\":\"Petey Pablo - Raise Up (TUFA Flip).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":156,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":995925,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseddohv4al6a2kclp6pp4lciiihpt3f25knx2tp444vkks4pm6p2nu\"}}",
    "nonce": "0xb17cc42e8a8ea72b84392c237926f96c0b2378c0149adaa40f750307d64ef2c2",
    "signature": "0x607f01cdd30385d0947f370f9ac995fa29761970ec96fd1abfe18d17b555793871728efb101267d85abf42131662b8e8b9f51b79baa9b7fba85e561d1ee4ccd91c",
    "signer": "0xe13C9fa3F2EF644a32956dd69502a451952cB1aE",
    "userId": "995925"
  }
}