Design Your JSON structure
Decide the data structure
For the sake of this tutorial, we use the following structure for our data
let message = {
nonce: 2,
from: "0x256144a60f34288F7b03D345F8Cb256C502e0f2C"
};
nonce : It is a unique value chosen by an entity in a protocol which is used to protect the entity against replay attacks
from : Public key of the user signing the message.
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