{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43849",
    "entityType": "User",
    "nonce": "0x1d79aa0eef33badeb78019ca8b87dc5c9a42f3d44926fa9e5872950238dd2b3f",
    "signature": "0x3271fdedc76da0e1b403885e3644760802aebe68bd00c73e2a67771c42e9657b1964f6c13410f715d878d40b0cd2dd641280132b6126202baf8ca0d4d9c889121b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}