{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xd607ad58b406fcd1362f5b909d116e5b79ff0c8b433f243211fb3a555ec7fc46",
    "signature": "0xc8fdeec7313dbc915a92b288c5362a697ed77c4e0d3a291bb5c7de5a9412ef3d673a38b7e26554f7f690f5c9f8539d4c6be72c6a2c96a9ff73548bc78f1055a01b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}