{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "761567",
    "entityType": "User",
    "nonce": "0x735902ac79216a6b9218c1ac7b34ae87959b1017714525f83f6cfa3575fb967e",
    "signature": "0xeb32c8e248cfe52368f4dafb42dd6fbc1927aa4bb413636d6c8ae6ada8bab2ce79969de4cad900f5f0d5f46a2edb40a923f38bd970176410f72931e8473caf711b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}