{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0x34c5ed9116c0d91abbb1080f3c8111729ac5f7034d4fce6cbe2b97097c172620",
    "signature": "0xb8509c11acdacdb72279a8451824bbe8b1ac9ea0d1535621cee1852299b45321663f6497a059ff82ca22069dce29dcd39d408dc80f1a1dd9b8c970ea35b772151c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}