{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x89b6512c12bc4255301b8cf01e848ec48d8a7b9fe3aa46127af826f5a22f531d",
    "signature": "0xec7bded108ed2018dc1dddc1df6cefe79b95e7c00081503a91ef7a5ffe41486171e5e361aeb870f245e756f8aebf6ac80a448580cdcc8a202c2875944dba621d1b",
    "signer": "0x3bAeF837369bF35C2ED81037444d982a8045bccd",
    "userId": "631423161"
  }
}