{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374065034",
    "entityType": "User",
    "nonce": "0x9a9f84799e7eddc75e6cd9983f17365125361dd662a342ab6a732165470ab08a",
    "signature": "0x438a025037e2e6ae9022629abb45ad22b67faaa0e5360e12606cc7e1a17ceb243ed01efeae6dc21f68ddc5da239ce0506cca5011f19fbb31811df276c5d44e111c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}