{
  "manageEntity": {
    "action": "Create",
    "entityId": "1244056646",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1244056646,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Track 10\",\"duration\":119,\"audio_upload_id\":\"6b99b5441a11677b431c4bbd32536b4c\",\"track_cid\":\"baeaaaiqseb6vdcci75z56qldsyp6tx4cahwppmuwvdecbwbu5d5vh3to3whoy\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedxueobhiz6pmzvfwfxhn4bcdz3af2wuvht3zps5otv4mdotu4rl4\",\"orig_filename\":\"Track 10.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":90,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":886743978,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseak35rrcrq3sfnpjk4nrj4wsosa5gj35cvnvrrh4kzevfsgh7jq6c\"}}",
    "nonce": "0xd1414baf3a6514cb463eefbc7508845cc7fc79027c55e62b6baa88c3df14dd02",
    "signature": "0x0bfe26e567b1ef68ea8074b35248641796ced5eb1673e2931174cc60c8c4767f55660683436019fa196de09a54a004c0ecaa37d30286ba302869fc1a2ff4b7fe1c",
    "signer": "0x78f292dEC4d54a094Ee9dE4b02D6E0eE44660A0B",
    "userId": "886743978"
  }
}