{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "746114",
    "entityType": "User",
    "nonce": "0xd8ba2c5514fd28052f4f75a7dda1c32cf6abad56c4968ab1ad262af805369f36",
    "signature": "0xe836f9c16c7aebef47a08e33a893a0465095b6ab3aed71c950448f28ea62bf511d5b5c45bdac4116cb9a43a192c3be5c1c9808893f450c1fdec187bd1eaacb561b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}