{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x76e62a2fb668b5296f1f232db6badb5160acd70f699b19475e4409e44169d122",
    "signature": "0x8d62d616cca91b190240f260ceeb3f4e42d615251d5fe5f491bed1bd3cb994d50408d4798eefd513ad3b45967b5e6ea15c21271c61bf7a56aa5b6df6d3a61b461c",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}