{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xc730176dd655f41cfe45a63c0f282af918671d61e7d65a18d13404bf9c57442c",
    "signature": "0xe69513397f542c905b46c9281fa9736d18a8c5293f103979cf4f86fac56323ea67477b7c727d8f66935b7b7fbf5e2c6363beaf1665f2d1631e73aea7b8b005801c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}