{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0x3e61cf3f7ef28513ec086f40057fb0315a35a9f4e2ac052a32734f0a20655e58",
    "signature": "0x78b217bf8de3bd0081e8da325df0de538391741c75f8aa3cf16ad5df2dfe1fe242c912835878d0a33281a4b0cb2eeae07787b1dad57a3539e234040b09940d411b",
    "signer": "0xD36a10E3571a62069C0a811F2B068950F9a802D6",
    "userId": "733676803"
  }
}