{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xd6239e8bfd3bbba4639c715c51e66ce4cbadec5c37e05a3eef9ab67180f37cc8",
    "signature": "0x845a0969576c8ea90a7dca457983ef9a600a9c3151d05947342d1b0a0c25214006f87679a72fdfbb287aca004eae86bb6a6da9098caef719f6f938731efc68831c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}