{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb3a84b4effa64fd220e3a7df87bb47d455f57ce9ab332371d79f9c310080dcd1",
    "signature": "0x9b31975b3e3d7cbb62f282ddb00330c27b59f42d0116c5570e4c3f6164421d77724cbe07a8dba68cfedac177323cd0da5a009446fe245add5aa96da7dfc05d951b",
    "signer": "0xbfeF29Cc257ec18E50F7af804dd06EF896e3Bd2B",
    "userId": "70534043"
  }
}