{
  "manageEntity": {
    "action": "Create",
    "entityId": "776950322",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":776950322,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"BELLY1 \",\"duration\":126,\"audio_upload_id\":\"39434fbe4fb67386a52776b74c4d322e\",\"track_cid\":\"baeaaaiqsebw5f6bkuivmgqidqoytuvbhxleg2zras3arwo2mxggzxkzvemhyi\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebkzo6vtho4w6ny73bvw5svxziaa6nimicdsqsaafnoqqf4tw4gmm\",\"orig_filename\":\"_Mizarro_Masterio_Top_10_.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":151,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":697642249,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecudv2grwrui7quozvaaihleizceam33ul7vxc353aq6u5ggfsmyw\"}}",
    "nonce": "0xdb198aad77705e03ed2294c3843af2d8505bbde7b2407989917564479304af32",
    "signature": "0xd01807a65f5af274cd6cbc560d1498b9e2ef3f195e92a09241c35c33bed2a0f76d77147f98b8b875a01862d2158edd35485bd2a82cad1073884ad02e031dc8b41b",
    "signer": "0xc9bF90D7781415A521df3E7a9beFeb2D743e9823",
    "userId": "697642249"
  }
}