{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0xb4ce7d053cff5e04e6be745d416d9452929fc7217edca6949761305493845224",
    "signature": "0xa2a030ff3c9914a43bc7008ba557b476ee70e739916f8a717861266ea0be09f850a2e5d47b391f71df9814905122eab2b8d46c83a4adbae0e0e6a51ced92eca21c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}