{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765540152",
    "entityType": "User",
    "nonce": "0xfb79ef216aa71e419163770574ce31e845aa64a1f0d6ee6ab6121c7ec906dcca",
    "signature": "0x77b12484cb0bfed874cfc16238a6dd5885fe003b5be8debef7709354fb234b337911b035bd2842d7bc17dffa8cd264ab9256eacb682a6688b1abd0039a9f93341b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}