{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x9f4e9088aa8f095221ad0cabd0fd34ebaa235354ac5169260c7fdb243028aee0",
    "signature": "0xba1526556d03cab7ef41a86045e821514076318187d7e26f850acaa6b30e6fd92f5a8c236dac117bf6255035357272e96fe92ac9c3fe0ebbe84de3f662f0bb2b1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}