{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0xf63b23558eb8a9b87b55b2a332acc7843ffa8b7fad2c947209518e6703681fb2",
    "signature": "0x1cff736f7d68bdac0faaa4a70f045da5a8b374a48f45a36c7b05ad486b43e1013747945e4946fb7a7c4e5bb160e6caac25300dad8e83bbfbfec6f41593c3e0b61c",
    "signer": "0x884490CFa947bC5C5d41834F53666866b78D19d6",
    "userId": "475900419"
  }
}