{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "715241773",
    "entityType": "User",
    "nonce": "0xac290f0c53fe10745f65df733a41b48dbc2e54d069bdb009dbd2d4398832c736",
    "signature": "0x0ecc7224a9d300c9851fa83a4eafd29fc0a153d677d0ae80fd3b211c3618fa7f63ffb937571346f965139f06ea221f09d1c0b5c73ba3f2675059c02d9686ab421c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}