{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x5d1106d9269b29e6bc7d652c25c1d383ff9623665a83e4683cb8c5ef67c57c5a",
    "signature": "0x1966f407222165291ab43495e8297f2058dede1d4c070d092d3b15bd70cbc6e85c9fe7c5acae7b74be2bcb66ff39ee81affcd673b50f2090b31e8c78302bf9af1c",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}