{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286349",
    "entityType": "User",
    "nonce": "0xf0469cec9e74799d53d72937b012309b4bbcb43b876bf9586f3cc369967f6b20",
    "signature": "0xc33f88a4e68e27fa39889983efad67f81de7136ad42aa58bea02f809c361a03d3b5f0715164021dfb2fef34a7adce126e09f4b227b2752f888b9a4998f1afa3b1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}