{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62455",
    "entityType": "User",
    "nonce": "0xf46ac3e25716906a7727b1f44b49c0d6c335fe50421fa06158d60a84e51200ee",
    "signature": "0xfd90f886e61d9d771420b8fc9e9a2e40fa95b61c9aa5422314e6022acd34b89b7b6928a48ee7e5f94b1b93ecdf98baf3f77b1fd3aa10dd607c1e99bff0171d361b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}