{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353372364",
    "entityType": "User",
    "nonce": "0xc26ae83f3a31cfe7bfa6ab03605dd994379ee10c7a83faadea4e9d0f7dfdeb93",
    "signature": "0x537603fd3b58bb084515011724ca4e210f6cf77315117bfd6278f3085d28b5bf1c5968040a994438a3908bc56c466d2d362584df5324e785f41171b8562f754a1c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}