{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5518",
    "entityType": "User",
    "nonce": "0x05e2cfe6cd6157855adb926cc96bf99f4cf2a5a729d00c5b1b5f54373385cd7c",
    "signature": "0xa0f90f3e5c3c02855fed649b6e4c409d871df320f1bdeb30aee0f5714f19bd925986e013190dba277b96dcbbfb9f56fff12a4280eb678af9b37ef581f215a4481c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}