{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119723",
    "entityType": "User",
    "nonce": "0xd410de1c3284396064e767429e86cbdb09e90c493d1ab9d6f322970ed6e04cb3",
    "signature": "0x6acadd97db54dc4698225dae9854a267bdea6389862742ada43dbb51a66c745f59d78811a32a043ce1eaca25b29d5a53cc75304332ba425bb88997de23dcacfa1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}