{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1228",
    "entityType": "User",
    "nonce": "0x9fdc33d021691ccdfcb5788e3df9c88b914a250d6b9c7510b3d91b432f089a59",
    "signature": "0x9909a08b2c2c16638b725c80071dcb614bfb6485218f0a15f839e8f92d4cf92e0799e0371781d514492ecf8f819f34e1bd2459aac25468a9fbb4efa60aa5aa221c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}