{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3822",
    "entityType": "User",
    "nonce": "0xb608999a4eda1af5e6dec0853b30213e0f6da654d5c218f17af79f5269320476",
    "signature": "0xe627f3b5a624023833de1524d4030e69632f76388cf1b34550ce90d79d10e07b60beec2f470b598332d750b419bea2401f8b234f38895b406ffc01d9429510711b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}