{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "336232",
    "entityType": "User",
    "nonce": "0x52fe875fe8a02062a8b3f99647e7b2bd8a831ebd4c39baac25032aac18b93134",
    "signature": "0x2bb36df871d7401adc3f6da09ab83b9fd487776535f9ef1e6c2618cf91e0ed44489433c34ab99f3e3b135dceb5ddac0e45a3f826e638659503102ccc69d546fb1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}