{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa78d5ad2a27004bb09e801c5b994583b2fcce9a217dcc87521ef5a14fc9f0491",
    "signature": "0xcbc1805c92b6790761166126b85aa071786f08de529e7b415d045a4381cf73711adbdc6f31af5e04d007a8afd7c8501155468f651e29aee5db9d5f147c073d751b",
    "signer": "0x7A74554101a194B92cB5aA890412885BC756f37D",
    "userId": "3225126"
  }
}