{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372623",
    "entityType": "User",
    "nonce": "0xda9fd5b8a0ca43780cd6d0cac5dfd09eb4830b5a0702353ae9213075f66ed2da",
    "signature": "0x993c38988fc75b7d15b448268e93b9d9989c3a010b117c833e0a0a181c49a2e83ba2c9c6b298c3b3e842422120d6e72198444a5cbe63b55d63ed0757dd3770131b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}