{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x625e8c88c6d6c60ce7fe7be8f3fd8d63d681cbedc0deb10b073531b39abec66a",
    "signature": "0xe11b82b3c49090b7334d8a69ad22d457ad632acf325f89178492d2c9585b138c6cc3b72f1302a60a7ce8fa78416f1d82d6959b78bc19c0a5009ce396a037e22e1b",
    "signer": "0xC13Dd1F7a6F4aC4fD7720539c67F0528DBb785ee",
    "userId": "267562371"
  }
}