{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "910859044",
    "entityType": "User",
    "nonce": "0x0f53b3517eeb12f2c0010241dd99a56f18299029fa00762bb588e92697f813d5",
    "signature": "0xca9c52f6bafe7900ac3f9ba3a9b8ebe6107336ec93a6bfde5d5e0bfcbeab167e56e4043d6550bba50e95b84f307336149f3a144b624cee6446d3c9630db741071b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}