{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208188",
    "entityType": "User",
    "nonce": "0xec3e26de4b880706f66ba26ab86133da49c775c6cd1140403129ce056e5b20c4",
    "signature": "0x5aeed8a9a07f5c2659548e989db496aba498d28d16df9a8d63823f85ba38c61732cb99a87f5a52c2d98dbcc9d1e024cb78fd90221de41bb76274c172d7103c931c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}