{
  "manageEntity": {
    "action": "Create",
    "entityId": "454792185",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":454792185,\"description\":\"a quiet piece i wrote while in madras, oregon\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Ambient\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"peaceful,piano,time,space,madras,love,soft,ambient,felt,original\",\"title\":\"four years\",\"duration\":138,\"audio_upload_id\":\"8eb042b8374bccfb94e7a2dc21ec6245\",\"track_cid\":\"baeaaaiqseaxto3pve52v55s2uq7emvdt7vytw5rcq3iqhwr4orrtg54uk6f26\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseafjmtgwvphe6m3wc7u47i6u6oxg7dgbnjlicpqllqdw35alsuyxa\",\"orig_filename\":\"FOUR YEARS.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":129,\"is_custom_bpm\":false,\"musical_key\":\"B minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":352545,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsechlweimvus4ostzy3zvekit67dkkvfoqprbidrvpekaq6py5w4ze\"}}",
    "nonce": "0x47e031402c8091260d9d9ef0f0cf9f59da74e6766c75e7625944673d88d1e2d2",
    "signature": "0x75182322fd0398f97637bd8150c92476147a1c389957028184fd0816ebcc61d3782a4ce6973939c2b91de0e8d079803e73e31412f326c11e57bd223ffbd35d051c",
    "signer": "0x5bEfCeDB97A599Cd7fa25007139EB4c95E4FC503",
    "userId": "352545"
  }
}