{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "915314447",
    "entityType": "User",
    "nonce": "0xfbe5fa46ea04d967a5fbaf6b6ec9c86b45b50a1bdc73f98c7ae4fa2cfb221758",
    "signature": "0xc96cb82d726890e563f6d747dc5b828fb9e67f3f92b6cf079313cf6672abf568543362cf5d70a35b47d670d8066dba7c526f0eb950cf8aefc58782926ac3b0461b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}