{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108911",
    "entityType": "User",
    "nonce": "0x55de1ce84b14721f01f59aeb33fa3de88623e5f9a525782807ff5dbca509eded",
    "signature": "0x00a2b9a8527e17a96d0f9e80c61d72924e0f4ec26faa6171074d82b4ff7e646c13b12d6e607981cc210b4fe4b873bf5cdc8a219d39284a69547a9b8080544b331c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}