{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4322",
    "entityType": "User",
    "nonce": "0x382d8acc1491772cfc51d8bdc4a96e9d1229ae6bf2d3db37630c84a3ff9317ff",
    "signature": "0x9d6c0cfeada45ee89c7eb6abd6b064a19f8fb4a1ad3e1fd60f3432fb0c95b804188ce963ef8e8d406be362e9430d0e186a4bc2f66ba9715a855befd48191299b1b",
    "signer": "0xF4D35113bf653395d3a48c106C53522928Ffbd1d",
    "userId": "159182864"
  }
}