{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc38953925003e6f727571392456357cb6d401d7bb549be1c075290c3336e7070",
    "signature": "0x6572826118eb6d503924ee657b6e4456b093e921da69dc222784b7bf8459fdc50a96debd09003e5dd6d288ec8db859836715d6434dd21ab1d2bec4866b43f8221b",
    "signer": "0x0682FD8127DA6dA5652628b34f64eb56f20fb556",
    "userId": "7028309"
  }
}