{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xe5e1dc9cf480a845bff911ac849c949e3572a95ae9419d991e9f9278b29e9bbf",
    "signature": "0xf30d8fd5c81b03d87bde93c1a831a3d8b5e664647ec6c8eac909a4eca38d14ca56cb1c4da8317139764584e0f3df802b233b8564a532937179b9a466493155d11b",
    "signer": "0xe0f1d0Ca199D9bec117385Ce8D99EEF3b6CcB37c",
    "userId": "109379"
  }
}