{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8b6a5f00302232e54fc20588a1ee816476f84c601493a607f3bd8cf3167e2f92",
    "signature": "0x2dacff8b1cab03b5ae7afb8ede443b295034f5745be1c9e427fcb2247cad7fbf0de0961e03b461b5b27772278041ad2fe151061cdc9b1bd80c7c49415845a05b1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}