{
  "manageEntity": {
    "action": "Create",
    "entityId": "532408156",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":532408156,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"true blue stone\",\"duration\":202,\"audio_upload_id\":\"5b4a2abc8dfd9fe36141423d6244b1eb\",\"track_cid\":\"baeaaaiqsebiigrrw4xpty5w5z6mo5ewzyvok2ge45n2h3khxyg4ybmruksm56\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed54mrlczmn767rnbuz34h4znwmzmcikiq5gha75szcsx2xnkdmra\",\"orig_filename\":\"true blue stone.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":139,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":562613548,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedksnvqfq42t6e5h2r5mmckifwuvsbseeizghuxvmk4xdpt7ji32c\"}}",
    "nonce": "0x8896619a339194b7e0c6806f59aa61dd371c85bbc5b5e3f6c83eb9d5bbf72a76",
    "signature": "0xee3c3f8084ae8f5eeb9b1d98b331ee4d9da5a50ff3e8d67a9515a9e02282ca84312f4ca68d4e0e2bf56db8a039714423e092124f3175df73699f117fafafa8d81c",
    "signer": "0x4aa5a207F36Ff1E12cbEfB5ef08bb83F8bF21F68",
    "userId": "562613548"
  }
}