{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcb32cda8a48fa32a73940356c5beea6ef8955d4ca7d6536739e72ae74f142ec6",
    "signature": "0x9895996da764683a42a5e83cfe387516f12adde6216df1b5ac4678f6f050c5685e515fe238d27eeff6da474296df11586234f26bc70669be0eacd4c73f93ce0c1c",
    "signer": "0x5279C9997d152CA4ae073737bcCE3366f6dFb437",
    "userId": "404561243"
  }
}