{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x92db07701274d7389ad2b5f74d5cbdb2fb5817f4aa6a294879f8ecc37117c6f0",
    "signature": "0x5d6daacc0b70e66354c732ffccf702cc74adca79a9662b11486c79351c64900c56c7c4ff489a4f1def23ee5dcde57fcbc9400a6a09403321d925ce2ab41702731b",
    "signer": "0xB14f7e983979DB3a0BF9da619029a200FA9bE277",
    "userId": "165804934"
  }
}