{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x069eccb002b843d84186e1e918e11b04800baced49d6e971e8d14c61fac85574",
    "signature": "0x68eccfe30bff7173a8101f3e6a1ad059f32848a772058597012d1abddd33ad882c22951a48f121ae50be258d48c597cf6e36b785ae259495151d189230ced73a1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}