{
  "manageEntity": {
    "action": "Create",
    "entityId": "545145019",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":545145019,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"edm,music,electronic,synth\",\"title\":\"FinalShowdownV2\",\"duration\":148,\"audio_upload_id\":\"97d16b87b349c8743a400d249b2f2286\",\"track_cid\":\"baeaaaiqseadednjkgple4tjp63y36qnzjx3unv4rqyn4sqjysvd27pl6xngii\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsede3foniemjzpycqu4yjnakikx6xjifkby3mermrdhpk4biu7pwby\",\"orig_filename\":\"FinalShowdownV2.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":122,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":158112762,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsea5gjakuc2y4xuf5hbur2ryreyhwmb6j6bwbss36wxmljcds7qvxe\"}}",
    "nonce": "0x9d12eda6825653a5241532cf49585f4c307760bf0e5c518e8c5b8624c860c036",
    "signature": "0x6370c99a0d422f130876c4698f741fcf3c25c046ee82664b4e340612957bb160326cf6bf7428922e7a24b48cbbcd22d32f1c4fbd5712995c3df36b52074b11991b",
    "signer": "0x593F58CaDCb16077dB3140221d02A485c5C27e14",
    "userId": "158112762"
  }
}