{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2005440",
    "entityType": "User",
    "nonce": "0x0d24dc422b6c91a8a005346f867d4663ee579a9a4cb0373166db2881023c5eaa",
    "signature": "0xe3718281066ef8fee5ac36e2df877cf87aa394f28eee8336215c9967436992d259544dba5937968d2c1a7b083f80032553469081bc1a760b0761cd74bc625b751b",
    "signer": "0x88A7d317bb333e9327a05Db7D05c5B73C7D58e3d",
    "userId": "380948833"
  }
}