{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332210",
    "entityType": "User",
    "nonce": "0x6506087ee0f7dbe728c3e1ddffdf29b65bde06a2ccdb53e6504393ffe101669c",
    "signature": "0x894a985bd8034e7f18756ee35877e406c7dc1fb18c43fdd05cf4b30d58622e1b385cefcb7a499bdf47fc0e533cc227b34a4ab4af38345923a307ae11879fc81f1b",
    "signer": "0x3fB3464202dCA960F65e2706E5749EaFc41e4b48",
    "userId": "826685732"
  }
}