{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274419069",
    "entityType": "User",
    "nonce": "0x17ec7f7426b234da90c91a1bd21fb364b3a46c9b27f35a2c9a937e5c3c6c8a92",
    "signature": "0x4b143bcd4dd4df83c0c73f3d21912d40a6d4dbbb84a82d95cc821e01fa5ddd27024d8528cfc20d5186eb49897e569d2428029ea6040b5a98ff904a60940552221b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}