{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x100f83cf66d5ed743f5ed8c290126936dc9bf61acb7d09d77035505ce2299b7c",
    "signature": "0xd3ecea60c7e9cc693f002d5015de9d179f4f88f8e86987081f76766326b1cdc13eeb6a428c72c677792368559f74c94122e6d37376da3c7f9faf0eca0c030b351c",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}