{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154589",
    "entityType": "User",
    "nonce": "0x479e1fd77084ab500d002d33d0c85294c68871526677e6ea31cb9a5ab608aa5f",
    "signature": "0x084a9e6dfd339d87afd0ad2a378c5619faf61a893619feeda5b3e6a7ec9789345680049f7f1b28a86e460dcc708258a12bc1df3c17b71ba1420ffa4d53e1cd021c",
    "signer": "0xc693F85Da9b70D8f43a51f58F74D6051c3a62da0",
    "userId": "361053479"
  }
}