{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35318",
    "entityType": "User",
    "nonce": "0x77744a1598a938ca7ac7e8c4fe1a9da180a678b45997f523ba49888ef98c1aea",
    "signature": "0x8d90679e1949a77669d0eca4a241c8224a8c28246c5ca5206fea90d8db121a7c63cc61ad7910238180a6a5d35605739c9159a2dca5d876dae8b9f7e8c12761441b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}