{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923551697",
    "entityType": "User",
    "nonce": "0x5ea625276277099ef47bec8b89104511bcf4cbc383e320584abff52b918e600d",
    "signature": "0xf7782fcf827c5649c2dd1e5a8bd965aa09a559ceb3421350fe718e3a93ddb061535a806fee93d0fb7667f56ef809605ea2ce6de13cbb4c0641282cb74164775b1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}