{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68772",
    "entityType": "User",
    "nonce": "0xcc496efc14f14455d8b6c54aa673e326962df62f176a53f105b4440fca64d56e",
    "signature": "0x9a4c22ce6b9666b4e5f457febfd1c3884c2456d2b869b72dbf17e7ff95fc828530a9e4c014019cf451538452d7eafc3e9042e1e13afc1e07c6553bf901cb1f1e1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}