{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd050b7bf5eae7ed9785e56f685ab6af4624742184c634e72585e14e717c98568",
    "signature": "0x1d18bf38e428c6146869f2ca55f8d1f03843e64feaf382c4e188f210548b18294d0fe860e1d1484117633b08a56820a7e0a36c16eb5a044bda40ad1c6373d1ae1b",
    "signer": "0xBf2aD48a2a83b2B64DcdF6cB3a934fe8944010bd",
    "userId": "155413342"
  }
}