{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x4c9191ce418b906653df1c2925c77c38eabb0abe1799d14c0d117fb0ea677395",
    "signature": "0x29c92a6e1cc5324b537599780c0ed1a96b8506818bf6a1e15e1ddb5836670aac640eaba4064e2a92677e808023a3fbd5baf918b51b3b3d7a4673bb4c4fb3b7f61b",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}