Not getting the call back

Could you please help as we are not getting the call on bridge URL.
URL=> https://apis-sandbox.pmjay.gov.in/hcx/v1/insuranceplan/request
Payload=>
{

"payload": "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.fFpaXWG1sVC-3zlBqdgFwx0DujIsO9kxLSB3bdZW210zvdZuV8FaQjNJYTvhuUJ3ocMf7BFs7Egy1ecOZCzWZYLcDD4E1x7mKO91kxSgRQ1O83MOAI3Guw9UFPdbyQ4IWKm1TS6uP3w2cvbpE6kNKj5Ve2EmvH3xd81LfL2zuZOG2E5zr_ifoJkDiajNE_4FBQbrDy_hZ1RErTd-WQkOFDcp6DIT_JziDx_FVLUyZ32sVGvSKE1nVzf-Z_Hsuy-iUG2oR1HIIbMBXqDLi_mgvp0crDS2N52AMwUHKSFcT9zwNxNA8UZL0otEWklhGtslrxUeU4UTOlSez3-Azv36JQ.WcQV8nAMu63Pmw_j.XSALyyqjBR7Yp1ogRbrfn-wmooFNfT4vEPl9nuV5LPZ4IXE3ftBVDTFK5JzH2HnSb9VS3mwDHL4UhuOy5IbM8atEqtjfbatoZZ9Zc4EzXPqOw6YAwRIvyHqSLTxzxPnwmewVGN4XcwZ-ttNQMBnAxBd3416ZKCbNI1rDGpI-BEAu6z1sEYyoaOq7xkExy_aDlJk0ggc6vpoBY1eCLOhovP6LzjXJRlNVAeJKhv_bW6b9h1xzftZzgkr-me03EQ6I1GbOSs7LG5bDud_OM3n6pcGx76VpJQZ65jKSpKmjjrKMa6xg-10eOrNj3zsw4aX7fuM0stC8cRo1VGa3u98CgxvYbLWVvICF0cu6oGA8g5r0NLtjfeclLy3MLkyFDL5itVC-SpIfnDnZjngZje5t4kSliG77K6PYHD3mGam_60skUksncxgaEAmvjU-LQqXbwr_2bEFl1FZhTmfTHI-Zjd8AbSPKs5hjEiMMWPeVemdCOf3a7BRi9M-F3sdm0Xw18g.Cpmu0RUPMU2toYD2FvLLZQ"

}

Response:{
“timestamp”: “2023-10-27T14:57:40+0530”,
“api_call_id”: “bbea0ea1-2750-4ec8-8974-d3edc7030914”,
“correlation_id”: “3a2ba13b-04f5-4943-9b50-a1334e55c96e”
}

Could you please check the logs and tell what is going wrong.