{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x636ee5286e37b19fe5702fcda1b8b372384edb33cf7812c031e7937502be8503",
    "signature": "0xb35988abfff27607abeb613739119ff1d755a04b82d0c73fffe4c57a6ad8210b7f93e5f4da5ceec470d8f363d3f20f27b407ec84825a89f48940e75fa58439dc1c",
    "signer": "0x13237B1F4205b7920020A2f80524d7eF5cA82300",
    "userId": "391704073"
  }
}