{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "723815891",
    "entityType": "User",
    "nonce": "0xd0915df152bee8c7f2eaf15a9e9674508c99be2ece9d08d3361396a7c7c968a4",
    "signature": "0x4d6a96b5b518c4a08dd955383e92770b986e4d8934120b101dfcd10b4b406de541fd6282ea83bfa8e2088fddb3c67b1f8d83ddfc36f197d6bd340fd02ec05e521b",
    "signer": "0xf0cFA206b9d4522724e13fb1B9Aa62e31122e1fc",
    "userId": "222289659"
  }
}