{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0xdbe8c2a2fa4270541a2a60d2e9672d826c63f9ea4af66f0bf84a3b72c80384e1",
    "signature": "0x6a7c88d9d7129b46637276b72d1e72ae2c720d7773f36c825a81044d962ff3f01259d0da8cbe571d07e82c741e070aebfdceb332fa542032937edd98e6eba2d91b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}