{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xef7e2c30c11b5325239b5df5a981f489ca18cb8e9e9f7b17c5e97c9c8727bd7a",
    "signature": "0x706454f7ad77357892556ec72957532129b6002b936bf3e2fc3542156d49d53c473922b5cd1e5ee96f1c92dd07833c25566a7eac516dfdac5086fffb5e0762fa1c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}