{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828616004",
    "entityType": "User",
    "nonce": "0x3c1b71afd9caa38214e8fb5c4fb6806d87e95306f7f81150378baed76a26611e",
    "signature": "0x7e29235d72c7ce32d581fc89dcc3cbde0ed8a178d22e9c1777486c82e8f3400942bfb66b778f43757405e155957c67713df28f2285254305529f8d9b868c41551c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}