{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa0b8aa06fe177aa4e9c65cf6c4f539d1e1550d1800ac54bda8098851e6854b37",
    "signature": "0xd703f96a28f54d88ee39510d7753381e3d05594f0300d753879190a21a280d42125ec6368202010875b5199da3c705d3f0353582448fb886631d9127cdeec7e61b",
    "signer": "0xfE93f974Be7011789e0B823c52C067B5D576E0C0",
    "userId": "848101165"
  }
}