{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfbf97429edd4be49c5ca3ed2752e2d72cea1aa03377939756623fcd2a05dd0aa",
    "signature": "0x705383f2c78c13b2ed39543ed0bdaa476ae86717f8709722bb108429ca0a38c613c7e8a780d4d402779d1c9b24f61f950730724bc21465ec4b180a7f5a79ac1e1c",
    "signer": "0x233B545d6cB33674C2293D2C8390Bdd93A28E169",
    "userId": "110982000"
  }
}