Shipping Method Entity

{
    shippingMethod: {
        idShippingMethod:               // ID of the shipping method
        name:                           // Name of the shipping method
        price:                          // Postage
        isLetter:                       // true if letter, false if parcel
        isInsured:                      // true if tracked, false otherwise
    }
}

Example Entity

{
    shippingMethod: {
        idShippingMethod: 8337
        name: "Priority Letter"
        price: 1.3
        isLetter: true
        isInsured: false
    }
}