{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x3f45849f3c257417fa6be83158e1b0f6626b701cab30fc4d112ac627925f75e9",
    "signature": "0x0d790f53bacd743f12a135263a7d2b8550614eb287a824925b5d84eaa779023813d03a903334bfa7405e5c1a76d9f6bb7029c55e4362e36b5a97bde2524669221c",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}