{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1364292",
    "entityType": "User",
    "nonce": "0xe35bae9687ff8f4893dd2699ed3bbf6fc2ea0046f741fa6ee6f1cf1d80928162",
    "signature": "0xf2e5d38097485810417a3532cc12502aaa35a8c1b3ec16f93a19a18d85b7ca476ea10286e26223352ef6303c9b999f3d0703466bee2e032d9c3e8a1e8b61814a1c",
    "signer": "0x3776E1D82Ebf03656FA9D03C18fd5B58D7Ddd337",
    "userId": "83331354"
  }
}