{
  "manageEntity": {
    "action": "Create",
    "entityId": "1402895898",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1402895898,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Pop\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Empowering\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Mobility Scooter\",\"duration\":159,\"audio_upload_id\":\"e0b311eb978add26e3f50dd79d9cf63f\",\"track_cid\":\"baeaaaiqseczvnrk7thmkvpckb3phfgrvx6zm6dlwdwtdg3x2ytvd7vmqhx6la\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed2vc2p4v7olpc7rxfeqvdoopniwsjjrsixclwpkibn6o3iuvl5y6\",\"orig_filename\":\"mobility-scooter.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":151,\"is_custom_bpm\":false,\"musical_key\":\"F major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":840006357,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebnfyjoak6wqh373yl4uawbjfazycdjih42d22lf44kmxfvcgcha2\"}}",
    "nonce": "0x41b93e78380f1abf71e6f8e6efd1d52660e0f3b9cbcdef94db514bb68662ef85",
    "signature": "0x3ef0f38916e0c3f8fc7af7ba22bfcf2e8ff5d0b0fffaa308c2a01abe8ea11bfc2aeae51b314daadea46619a47b8767dce1dd61af9db2dcb2c1a53088d58856b71c",
    "signer": "0xAf41d5deF73a190FeC613913d0F353d5327aabd6",
    "userId": "840006357"
  }
}