curl --request POST \
  --url https://api.x.com/2/users/{id}/public_keys \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "public_key": {
    "identity_public_key_signature": "<string>",
    "public_key": "<string>",
    "public_key_fingerprint": "<string>",
    "registration_method": "<string>",
    "signing_public_key": "<string>",
    "signing_public_key_signature": "<string>"
  },
  "version": "<string>",
  "generate_version": true
}
'

{
  "data": {
    "error_code": "<string>",
    "token_map": {
      "key_store_token_map_json": "<string>",
      "max_guess_count": 123,
      "realm_state_string": "<string>",
      "recover_threshold": 123,
      "register_threshold": 123,
      "token_map": [
        {
          "key": "<string>",
          "value": {
            "address": "<string>",
            "public_key": "<string>",
            "token": "<string>"
          }
        }
      ]
    },
    "version": "<string>"
  },
  "errors": [
    {
      "title": "<string>",
      "type": "<string>",
      "detail": "<string>",
      "status": 123
    }
  ]
}