{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0xe5bc1cee79e27b1d3db4cd590ecfcc37b8595de94922b4858eb70a69b6e243aa",
    "signature": "0xe9c9335863d907958fa6f19e8f30ba4c9c28e0ee79cf8353ad552920999efdb24b947d535f35271f7701813dcd7fc80a9442f4de0ec6774db3dd23f9fb4c0b5b1c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}