Vaccination data block from the EU vaccine certificate

// Vaccination data block from the EU vaccine certificate

    'v': [{'ci': 'URN:UVCI:01:FI:3AI591234512345YBZIO#B',  // Unique certificate identifier
           'co': 'FI',  // Country code (or organization responsible)
           'dn': 2,  // Sequence number for this dose
           'dt': '2021-08-09',  // Vaccination date
           'is': 'The Social Insurance Institution of Finland',  // Certificate issuer
           'ma': 'ORG-100030215',  // Vaccine marketing authorisation holder or manufacturer
           'mp': 'EU/1/20/1528',  // Medicinal product used for this specific dose
           'sd': 2,  // Total number of doses
           'tg': '840539006',  // Code for Disease or agent targeted
           'vp': 'J07BX03'  // Type of the vaccine or prophylaxis used
        }],

// Use VacDec to decode vaccination certifate QR codes https://github.com/hannob/vacdec