{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33896318",
    "entityType": "User",
    "nonce": "0x332d445d0173e9514aea4c181f1921316732f795572871c5fde7c23dfbb2da6e",
    "signature": "0xe714b909fbf05a39db64d31cd0ab16b85a2f338bb21d795f94f72e93d88ae47b3b12acfb7a02fce47f004c16391727cb5a0f183db88601d8b17c9b00023ed7961b",
    "signer": "0xC728d461208f32A72c509e176ED6ba54c844099F",
    "userId": "176232909"
  }
}