Could you suggest the beter way to convert this json structure to a PHP array?

Sample: 
{
  "numeroGuia": "sample string 1",
  "paciente": {
    "nome": "sample string 1",
    "endereco": {
      "cep": "sample string 1",
      "logradouro": "sample string 2",
      "numero": 3,
      "complemento": "sample string 4",
      "bairro": "sample string 5",
      "cidade": "sample string 6"
    },
    "dataNascimento": "2018-10-22T17:53:58.4603585-03:00",
    "cpf": "sample string 2",
    "telefone": "sample string 3",
    "email": "sample string 4",
    "sexo": "sample string 5",
    "peso": 1.1,
    "convenio": 1,
    "plano": "sample string 6",
    "matricula": "sample string 7"
  },
  "contratante": {
    "tipo": 64,
    "contrato": 1
  },
  "atendimento": {
    "diagnostico": "sample string 1",
    "recurso": "sample string 2",
    "exames": "sample string 3",
    "carater": 64,
    "motivoAtendimento": "sample string 4",
    "cid": "sample string 5",
    "produto": "sample string 6"
  },
  "captacao": {
    "cor": "sample string 1",
    "dataInicio": "2018-10-22T17:53:58.4759589-03:00",
    "dataFim": "2018-10-22T17:53:58.4759589-03:00"
  },
  "origem": {
    "dataAgendadaChegadaOrigem": "2018-10-22T17:53:58.4759589-03:00",
    "nomeLocal": "sample string 1",
    "endereco": {
      "cep": "sample string 1",
      "logradouro": "sample string 2",
      "numero": 3,
      "complemento": "sample string 4",
      "bairro": "sample string 5",
      "cidade": "sample string 6"
    },
    "telefone": "sample string 2",
    "responsavel": "sample string 3"
  },
  "destino": {
    "dataAgendadaChegadaDestino": "2018-10-22T17:53:58.4759589-03:00",
    "nomeLocal": "sample string 1",
    "endereco": {
      "cep": "sample string 1",
      "logradouro": "sample string 2",
      "numero": 3,
      "complemento": "sample string 4",
      "bairro": "sample string 5",
      "cidade": "sample string 6"
    },
    "telefone": "sample string 2",
    "responsavel": "sample string 3"
  }
}

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