Creating Server based Group using REST API

Content Authoring
1

Hello,
I am trying to create a server based group using REST API and IEM CLI to call the API. Now, i have 797 against each property, but when i am testing with 2 then it is working but when i am trying with all it is throwing “API Request Failed: XML parsing error: element ‘SearchText’ is not allowed for content model ‘(PropertyID,SearchText)’ Line 805, Character 21”.
Requesting you to please help me and also please let me know if there is any limitation for this.

<?xml version="1.0" encoding="UTF-8"?>
<BESAPI xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="BESAPI.xsd">
    <ServerBasedGroup>
        <Name>Agents administered by admin@example.com</Name>
        <MembershipRules JoinByIntersection="false">
            <MembershipRule Comparison="Contains">
                <PropertyID>70</PropertyID>
                <SearchText>admin@example.com</SearchText>
            </MembershipRule>
            <MembershipRule Comparison="Equals">
                <PropertyID>24</PropertyID>
                <SearchText>native</SearchText>
            </MembershipRule>
        </MembershipRules>
    </ServerBasedGroup>
</BESAPI>