{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "345493",
    "entityType": "User",
    "nonce": "0xb7f7fb6e205e12d2f9a2f0ba5bfbf2efee67325859179b101a2422b5719527f7",
    "signature": "0x302fa428c1374f8de932772304007dd92c96b88aa568f23277002d7fe8cb4f1f380016ab9bce3cac583b48ab838d5da05e9d5fef91db2c8670014f39d458fb741b",
    "signer": "0xad1E2A70fa1227797344FD6df31327a26552461a",
    "userId": "153162"
  }
}