{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf56877524fb23a115bc87eddca8841b7090588c82de20fab26746984b9faa4c7",
    "signature": "0xfb6bec1955c8e75c123443b8529fe2a77f8670a330f3508d256a98859378ca0420cde38fdc52cf5cedcebabd9771269e07fbc3f7e364f0d6864e1cea1136f59e1c",
    "signer": "0x480308482b6aDaE204F44FFE610e168EDdaC4d45",
    "userId": "861860640"
  }
}