{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "194061",
    "entityType": "User",
    "nonce": "0x8c136bcabbd509ff37442bff8bf91f48f4160f9045147bffb6e9a35a3d0caa7a",
    "signature": "0xdfdf5bb7b30866a060ca089eb0d38aecf8ce8a696f900e08468e3d641f5310ef25d07cd882d4e36255a2fd6b048584403dbc507c7931a3b90f4b99fc8a0d3e121c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}