// Example 200 Response{"id":"f2790129-2ad0-4fd8-a8d9-5ac85c07705d",// <- existing contact id"createdAt":"1667482286769","updatedAt":"1667482286769","email":"email@holder.xyz"}// Example 201 Response{"id":"234845e8-1dc6-4902-a384-8788516bdd8b",// <- new contact id"createdAt":"1667482286769","updatedAt":"1667482286769","phoneNumber":"+13175551234"}// Example 400 Response{"primaryIdentifier":"Primary identifier must be one of these: email, phoneNumber, or walletAddress","value":"A value for the primary identifier is required."}