{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf864f96890d80efba2797e79c67acbf9c5284e3e1b479db80dc7a7e5ddb6f1ba",
    "signature": "0xab74b5ceaf68190c00bc37953f5378d37d0125fcf2cac6d9229157a895c5746554d5babc482b363579e3eb5977d7bcd5e18863dc48352c688516f7f4d862d3eb1b",
    "signer": "0xEc97D192Db8a8Ceb218C19d4789628453A691ac4",
    "userId": "360503006"
  }
}