curl --request POST \
  --url https://tonapi.io/v2/wallet/auth/proof \
  --header 'Content-Type: application/json' \
  --data '
{
  "address": "0:97146a46acc2654y27947f14c4a4b14273e954f78bc017790b41208b0043200b",
  "proof": {
    "timestamp": "1678275313",
    "domain": {
      "value": "<string>",
      "length_bytes": 123
    },
    "signature": "<string>",
    "payload": "84jHVNLQmZsAAAAAZB0Zryi2wqVJI-KaKNXOvCijEi46YyYzkaSHyJrMPBMOkVZa",
    "state_init": "<string>"
  }
}
'

{
  "token": "NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE2ODQ3..."
}