{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109044",
    "entityType": "User",
    "nonce": "0xfdd48463005ef2d43b17a775cabbfe037290aff9f17f33b9231827c0ea83caef",
    "signature": "0x9a100c266965a7f26fa53f78e913068d0726d1a54bf35346f44c9f3a04235dbc526b31db035ef0fcd1e391a6a9e0e342d62424dbabdca6fca042b953a15b45fa1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}