{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x935923a7a92eaa3bb54a45ea46c124ffbb804dbd0b607b5571034b4bd4ceffcd",
    "signature": "0xff492614393fdeb5630d0512b18ffb8776cb14699bf1c12596b082effd9853011a6c302d1a252f72839aa00d45c7edb2d557ffe26dd7377ba884e75024080f651b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}