{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "404",
    "entityType": "User",
    "nonce": "0xf9061f24f365a06790122093199b986a3bd179f29943282400dc3ec587cdfdab",
    "signature": "0xa285f3ee4333d840c2bd70c6d18412919ef79b7b0365bccb310cefd0109431887a912b0e3664e7adbb9714a3c5db6a2377b75adbfcd802c7d4c4c814e8e8302b1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}