uri update, fixed syntax

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 96ee044..e8c4c1d 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -24,8 +24,7 @@
       method: POST
       body_format: raw
       url: "http://{{ public_mgmt_ip }}:{{ ms_ext_mgmt_port }}/v1/servers/{{ uuid }}"
-      body:
-        reachable: '{{ reachable }}'
+      body: reachable={{ reachable }}
   rescue:
     - name: Use {{ local_mgmt_ip }} to set reachability to {{ reachable }} if set
       uri:
@@ -34,6 +33,5 @@
         method: POST
         body_format: raw
         url: "http://{{ local_mgmt_ip }}:{{ ms_ext_mgmt_port }}/v1/servers/{{ uuid }}"
-        body:
-          reachable: '{{ reachable }}'
+        body: 'reachable={{ reachable }}'
   when: uuid is defined