{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x03430cd0b567c7888b94f18f6c74e127b2d1434b3991919d69aaddfd258047da",
    "signature": "0x1bf6aef21c6958ce20bb6b0a9e03c9db22d67214695fe42447050925b78a92b30cbf9f11b35b083352667c13256dccbb7807738fc4f9e2863dd66eedf6bdf56d1c",
    "signer": "0x1eCCEA0f808537b17BA7df623088F17f423f9664",
    "userId": "314279535"
  }
}