{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "416239376",
    "entityType": "User",
    "nonce": "0xb35dcbf2a022dd93c46f764a157eeb9191dcc28669a365106bdf7aa10d22b316",
    "signature": "0x92a43ea43faf98d1c759a1950d6f03f771a33f46bd1d50807b16bf301556855c5963285556c907d2ac7c890940e545ea6fe50a96de0c21de9dee78dd93556ecb1b",
    "signer": "0x2a14233e1f50922EA23fb817931968707B6A04c0",
    "userId": "727256442"
  }
}