{
"pdf_file": "<PDF to be signed by the signatories>",
"configuration": {
"signatories": [{
"coordinates": [{
"llx": "<lower left x coordinate>",
"lly": "<lower left y coordinate>",
"page": "<page number of signature>"
}],
"mobile_number": "<10 digit mobile number>",
"email": "<Valid email>",
"name": "<Name of signatory, this will appear in the signature>",
"callback_url": "<callback for URL>"
}],
"expiry": "<number of minutes after which the e-signature should expire>"
}
}