{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62424",
    "entityType": "User",
    "nonce": "0xf273e48c2c9e2ad5c20fc6d2a4324a591ebf5b8055b1f5dc8f2104d1b02a1f0e",
    "signature": "0xe0fc887129f3c13f44d1488f17fa9a0a9d72cec880f6dab30b4f9637ba7679ac6d01c278478ea53051f8cc33a4c9b781d881894a7d64c0105f0c315d9d7c4b611b",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}