{
  "manageEntity": {
    "action": "Create",
    "entityId": "703698991",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":703698991,\"description\":\"Voyage To The Unknown\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Yearning\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Voyage To The Unknown \",\"duration\":136,\"audio_upload_id\":\"1b6ccab4ec770515d1beaba9c1760d0c\",\"track_cid\":\"baeaaaiqseclera5ndbvqmumphcujzi53testdmsjmu26swm6cx6q3ebptz6si\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsea62eq5hzdrw5dilhhobjk7t7cfxbxtqrlrsxj457gt73yf2pxrw6\",\"orig_filename\":\"Voyagetotheunknown .wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":121,\"is_custom_bpm\":false,\"musical_key\":\"F major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":211307,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed2y6brmzdpgwwjih3bdirusrf7iqhaz73gpgs6jtwjc5h3gl7jpc\"}}",
    "nonce": "0xda1ed8e20eb7e469820570ca9f9c8e5695fcfc710d6910da94c63c25d64b484a",
    "signature": "0x4b6142518f26424ea1520d08e6ae7bb39c2c5f5cd43816c3a9e9274c73cd2836416681e001adb0b66bb91726089500bc3dad87834809759fca7633396b89ba831c",
    "signer": "0x9881bA04eA95d8a4De5594aBC9DBd5c96F38eF34",
    "userId": "211307"
  }
}