{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82587",
    "entityType": "User",
    "nonce": "0x003339ffb890806e46e9ffed402fbf5f5c659e5dd94a796034e19a6e35dd5501",
    "signature": "0xb5435a54d4a0992a17dc1182199878bcdf3ed8b6a8d3252bb685ded1eb6cc5e4381ccede226a5a69e7346bcafb8b3fcd8896aaca4ee3be3f482a35c828802bab1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}