{
  "manageEntity": {
    "action": "Create",
    "entityId": "1159902967",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1159902967,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Romantic\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"magnetized\",\"duration\":291,\"audio_upload_id\":\"b37be02962d29b4294ad0c48b913339f\",\"track_cid\":\"baeaaaiqsedx5gpof7ctv7jakr5jvavayp33cwzxwwl5lbpdeshvhdezmcwrd4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedw3v5kadbixspnks2ycjwpwjxyyytu2yixmcommddxyktgutptwq\",\"orig_filename\":\"magnetized (1).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":86,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":849737890,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecflwxjw3rjwex6sj6fyjj2pckqpjpnmrhpcfizmmqrdmxfinvffm\"}}",
    "nonce": "0xd85c30c40047e01b71b7c94b40e8ed1a17d7dbfc675998ba5652986e206c4243",
    "signature": "0x57211cd4306cb23df81fe7a6cb797ecf7fb2719daab7c7883d85fabc566fd8c27bf454196c581d189cd58ebb741c9cf703906292964a7f4b510321c6e7c302aa1b",
    "signer": "0xD5207527A3A5f799aA45ab3dc2ad4CC7f3617253",
    "userId": "849737890"
  }
}