{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217627693",
    "entityType": "User",
    "nonce": "0x3d7bd7922430649c9dfc7b19fd7e518d064d43300adb46403a539151af77c6c1",
    "signature": "0x3b108118efa5084a3394757a5939dad48f0f175a967286638b19b31720f0239d0d7c6701d541f80c4fdcce96a949819e457451ba28723962fa7bcb810635047d1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}