{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2043650",
    "entityType": "User",
    "nonce": "0x50c92b6691f1c0a99c27bd934c7f4ed5dce69d5ae0c222108fd3601b154f8ab1",
    "signature": "0x8384eb1c53193fbc3b0721ec7d4dce360afea5c7032f796d70036c3cc1209c05281987332921c67faa5edbb6ef98b45f4f7eeacdfbe8aa066c5acfa3d092ef101b",
    "signer": "0x8714181b6CC4ef4089058190cEA8db6ff1a85b62",
    "userId": "295478826"
  }
}