{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x1bf7aa0c6c9aa38226361568fb7b0eadc04542e6faebaf40bde47497d65e8b59",
    "signature": "0xc0f940e2685b66959548764829929b9ee2b0040ae63295f1628d7dce6b0324931b48f5e5ab2ef050e06a15d6fc07de5b573c0ad2b5299853f8dafb649830ae0e1c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}