{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1497323",
    "entityType": "User",
    "nonce": "0x85c02c154c342a293add176147d9a79f4e48ea81c565c53ba3b6289afee41936",
    "signature": "0xeb7c8c2cd87373030ac692b372bb5654ae52d7aa8c69f19beb193673949c5ee61fd18c8876b74f86edea9a8af3ac089588e20f9406db37d66eb0ee4a8a8c68891b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}