{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1917560",
    "entityType": "User",
    "nonce": "0x7d5b745d4305c33b755230bd257a91e4f2a6c73de29a48bf65d8d48394af041d",
    "signature": "0x3e8c6060eb220f68d65b07d760bb8e67c8e9c8ffc97779cfdefca8e379152be24b49fca046b9609fb1d17783f76c2d52dbcef494d6db67d7d999c06e5dcb7f931b",
    "signer": "0x1Df693Ed633B381cB87b6D8C559fB0C7Bf5eB6af",
    "userId": "823447086"
  }
}