{
  "manageEntity": {
    "action": "Create",
    "entityId": "485444050",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":485444050,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Pop\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"wildest run\",\"duration\":182,\"audio_upload_id\":\"6517ee0b8eca47ad57f54a8939c86c67\",\"track_cid\":\"baeaaaiqsebjbg3wob7j5o2q32ugy6lpzbaaekielxmkgkqnfhtytzvh4cn4nq\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedztdwdbfsgrsydplqgsd7ob65ugorromckvnb3nyprd6cmob6lc6\",\"orig_filename\":\"wildest run.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":153,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":562613548,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedwpivqfyp7n2dykzsvbwabcxh7opk42cfumwwvlnrupt7tc2dym6\"}}",
    "nonce": "0x63ffad4fab6fa09add41f3c1b12def31191b09f0f880e8dd60ce3fa62359d11c",
    "signature": "0xeb73e3cad53e96e8e1a443aa6f05b4bcd475a0b459fdbe7858d30512610e51c547eb95334528194dca511afd0b78462d93b0aac82948dfe475f4f427738442bb1c",
    "signer": "0x4aa5a207F36Ff1E12cbEfB5ef08bb83F8bF21F68",
    "userId": "562613548"
  }
}