{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x256ecfce8d4b619d518bf73a58831e60150cf4e78993823d0ace1e0772810d93",
    "signature": "0x9725621d713b56c20a067a390320d5fd0c19d444e266f892a1a44496b347765e284e9a099d860430d311911140631b86fffa9abba6b6cb6a6d62aa2b8afed7301b",
    "signer": "0xCB6815F8D1cEA4A681364CF99f401E6ddCDf8c23",
    "userId": "998615652"
  }
}