{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5022cb501116c8c97b585c285aba7b5a3b37e68154ff9efa9f0f6d9aa11869a2",
    "signature": "0x4265a285beca638c03ad288f4ed4dc028399dc66ec9974ac6e66718df9a4ef007c3e1ac47d7dec50e87dda66868fcce03b1af5b3e102ca5ffe715be236a76caa1c",
    "signer": "0x4fE520b9aC7D8Cb3c9b6929f53A46d3b52aBbF7A",
    "userId": "204173585"
  }
}