{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636675041",
    "entityType": "User",
    "nonce": "0x443191910d438201a2eb11d77b44d9e3fb7ee593427a4493d124177d19fe289e",
    "signature": "0x8b98ad542bc683d7e38f6e8dff485182ce4b5eebbdf2c55ec5deb0f50ab67a575710d1a561060b9f5150275179a10e836fe6ece645ac6d0a2fadbaf4aaffa9a21b",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}