{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239422",
    "entityType": "User",
    "nonce": "0xbab1f7faa414eea3f3f62ba6f0dcc0248b76594e61cfaf4ad97d393cea1616ad",
    "signature": "0x07cb3265019aab321f9d3ad142f002a68d5407b6b31fe12fb6efa85c245d89ed6cc0cfd21c1ad80fa2beffa55a6e997a72c4bfc3987433dbd403a46ce63952561c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}