{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x3456936bb5c42377d35b113456b994bbccc7df11bf7a336513843ceef602cb6b",
    "signature": "0x639a5767f767ec625bcd3145db5f25cf5fff763a3ef4db5b4cb322a522bb6f7408228772481b768799f668f0a11cfaf148c119e25fc64f1047194ce4648b3bcf1c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}