{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "695524756",
    "entityType": "User",
    "nonce": "0x469809cb551f532aa808be838797f709be79982810f12be5844df762674d586d",
    "signature": "0xc468c242a211243385359bd980c66d88bc292375900aeb2ab2dbdc793f20143568c8348d6dc4c08e2ace652f0b7b9f20ecee0f84d84d073ba21629b6f740e6171b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}