{
  "manageEntity": {
    "action": "Create",
    "entityId": "296670804",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":296670804,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Trap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Cosmic Home\",\"duration\":148,\"audio_upload_id\":\"b713aae49ad97482887ebe915c509f34\",\"track_cid\":\"baeaaaiqsea2uztcxvp5freofx52g6q4xbo2uhklhevmmpm2okxq26tf5xpnx4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedizlv43k5nzgsjm2ocppti57msjdvop2nt3fbpqkbfg3s4yjgqfa\",\"orig_filename\":\"Cosmic Home.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":125,\"is_custom_bpm\":false,\"musical_key\":\"B major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":509716406,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseatveuuliegad7qlbc3sgqgczrye7sx5qrgsmy4qn7kqijp7o5qgq\"}}",
    "nonce": "0x2cbe2763caae4be5bbd4326697f9cc39880f5a93fd8a70b5ced2e21c9d66f912",
    "signature": "0xca34abe80aaa6d919b19948921e7359188c0fc95eb581149eba678ad3d12cc5c0a04bed8d424b9b3b991ddac6ab21de07a3141b1d8382aa44916837d91f4f2231b",
    "signer": "0xD1e78d368b6e1BA9c3281E18c08B03ccc78b50EA",
    "userId": "509716406"
  }
}