{
  "manageEntity": {
    "action": "Update",
    "entityId": "1461977092",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1461977092,\"owner_id\":954867141,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":\"All rights reserved\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2005-09-06T05:00:00.000Z\",\"title\":\"I Don't Need Nobody\",\"duration\":153,\"audio_upload_id\":\"0c73f731cda83c6893788221fb990489\",\"track_cid\":\"baeaaaiqsedsaenqbei5cohiw6qmelgykevaz7b5ngffutbna4af777pjcnjpk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedfpmcmlw62gg3hyfflbftrjfwtf2qzwkknp4g6ewnfa5v7fjp3sq\",\"orig_filename\":\"11 I Don't Need Nobody.mp3\",\"is_downloadable\":true,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":81,\"is_custom_bpm\":false,\"musical_key\":\"B flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0x9359a19b4035cb30bded2329c141941acd7033f868b65416d930ff679be8a73c",
    "signature": "0xee2ede4434710fe8e056ba6dbdf2e7f889997356a6278814d02253d11a41e26e7dbae1550d5b087d212512cd004a3b8098967fc28fac1aada16145d21f91c2601c",
    "signer": "0x2e0458A7035eD9b30a48A89a12D21DfFCeb43d23",
    "userId": "954867141"
  }
}