{
  "manageEntity": {
    "action": "Create",
    "entityId": "2139254496",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":2139254496,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":\"All rights reserved\",\"mood\":\"Sentimental\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"Melancholy,Sad,DV,Sentimental\",\"title\":\"Silence Isn't Sacred\",\"duration\":216,\"audio_upload_id\":\"19a7f646ebd86664d1540d054d12e764\",\"track_cid\":\"baeaaaiqseabg6qpakmtb3l74eufvnlraxgpsbz5ohwyc2mebmrgplm3yw6j4e\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebpyl3ipp7whmwclfwdecszrhtmz32dtar3mu5nfp5yv7wiqy34ac\",\"orig_filename\":\"Silence Isn't Sacred.wav\",\"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\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":209293505,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseciko4zluqd6nd5rzt2ky75hh7yapygnyvk5vv56ogiodux7apoyg\"}}",
    "nonce": "0xe9f43c3d44f066af9ec8590b894052f7f3d2a98bdb13b690ac411baa0bcb3373",
    "signature": "0xeed8ab16e37714835063ac32de58f42beb185626f9f8025f76c26a93260978e27b30637c2bd8eb6f4e800b236fdd62affbb8ea934f310e363259c03e381537651c",
    "signer": "0x6475B33f0B46C3FC278C83f68245b592eDAE2C11",
    "userId": "209293505"
  }
}