{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269764",
    "entityType": "User",
    "nonce": "0x60a163bfb958c46956f9e95833092a9fd9bb7a261b29e34d3704f7433434312a",
    "signature": "0x654cd66b8701d77fc370e84b37b270133fbe0f2448e84f364b9850c7b365d5b44b65fd345eb7f3813b3a990d684d482ac425a0858c11c879b4b3b7df0ceb634d1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}