{
  "manageEntity": {
    "action": "Create",
    "entityId": "900543591",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":900543591,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Trap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Strobe Rite\",\"duration\":136,\"audio_upload_id\":\"ebf4caac4feb65d939cc9a119cf582b3\",\"track_cid\":\"baeaaaiqsecjbpcu6ydk6uvfvu4tvb3c63hvsvpvmbtt6jbfhnhyhqboypor3c\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseasik6hyjyk4zlyucurqdgqa2llt5grrcfswlspss6kmk3fdnphdu\",\"orig_filename\":\"Strobe Rite.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":509716406,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseb7xl37dz6ctmisfk4fnj62qc443l53sg7tw2o6hkdcy2dhm64r36\"}}",
    "nonce": "0x887b49617d141d997ca4dbadc8ccdd011bf326463ecc057c7f71c9119abc974c",
    "signature": "0x93dba27c2a5571f908b01e1f48566010289490407cb4c389824b5e0c9d227fae3ca9473df9293db8a001db2135a69662d902178cea601b3f6af79c57d808ba9e1b",
    "signer": "0xD1e78d368b6e1BA9c3281E18c08B03ccc78b50EA",
    "userId": "509716406"
  }
}