{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995",
    "entityType": "User",
    "nonce": "0x891abe757a64e2b9b4670924f6b4369d45ef28cd64f336751ca54bc6b5bb4596",
    "signature": "0x88107c3aaa845515afe5ae607f5c64e36bb001d240efda9216a921aa9e69ec365bc8680546d4d6cc7f70de6b6c36ad9dde49d8213e38916dc89964a0383ae3921c",
    "signer": "0x005385507D169DF7Ad14f23b728248Fe5464Bc26",
    "userId": "303866152"
  }
}