{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "473969",
    "entityType": "User",
    "nonce": "0x79761ca7c96c7c73c8b4d81f98f93e9635ec759fdd9ecb8e44042278f9de4ac2",
    "signature": "0x27f6015526f4a3e51717b7a8773233b48e93d21a4dfbf49c58d7a8eadaa3b16502283ae3fae93e4ae3bba539aa9c3c666a0f33437f0f8b50265fe71b42a5dd5d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}