{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344756485",
    "entityType": "User",
    "nonce": "0x00c71d1fd64841e8a9540b5311b71f3f6e294cb260cf901f52529e5fd93a6538",
    "signature": "0xbbe4e5546c2e3b7857936d29e2e7f3e53e6954bd80fcfce19b569dc1b34bbb9b379552031e7397d874392980485fae81ef57a76b9fe61e8ce72e1bbc9a3b2b501b",
    "signer": "0xD6af0C8ACa4F65cbFa489185784cc401F1218666",
    "userId": "529296046"
  }
}