{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1277362833",
    "entityType": "Event",
    "nonce": "0x8ce40ec9eaf0c729a7be999aa272a62d5788aecc247cff9e4ea3b536029fea12",
    "signature": "0x3c1a9af915d7e3f4626a0a02d33cfcd92a4881b2dee8dc7bd2440f3d82190481579fb906cf1c13ba2a562fbe7eca995b712c96271fcad503af1bc9ecdcef40ea1c",
    "signer": "0xac9398fE3324BB093c993C791Db4a36624f5a248",
    "userId": "223946715"
  }
}