{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xc24acd474dc5b2cbcf1ad0de1fc9f86b613b919748457dc9f75003f9b17b0baa",
    "signature": "0x5eaed63e83be79dbdb1c7eb3181babe00485ab1c3ea126ae7cbc892aac016ab24ae8e1224ed6d68b8ea59a2966268d08243e98405f1813d1990a8a90624dd24e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}