{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327722",
    "entityType": "User",
    "nonce": "0xbfea8b86fda14a5b8f80b9eb228fa82943c54183751524675bbabb84c4b138d9",
    "signature": "0x77cb29b30469a1a3621e807bd77fba267b7042a1c2c342409ee763ea4931fb9d2170d702253eed409e6b17d58027e88a118fc86cb74b2ab4a330a82a5dc3fef21b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}