{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128172",
    "entityType": "User",
    "nonce": "0x6b779f3b5e76c7f449f84496a8940e42483fe1633c44d51607e7c437cecf764d",
    "signature": "0x99d6d95732be00dbca43aab6aca3b2cd4feac7239ccd8805ba8578a2710f34aa0e2bb733d0cccd35cf2fc2424f5b5619d39246b81f5553a3bd28f3fbb3fe803e1c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}