{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb9e0de8e1cf5cc75f1c6e56d667da60ebe2940e99b9d4aae8fc0372793b21811",
    "signature": "0x9ad88f1a296aa036a76503723048db37634471a824dd192b3536ff4b892d6ba10d79c316e0c5856e2155b6c0b26aa59e2ad8ec179efc1bb4a963ea6d932dd0fb1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}