{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10670",
    "entityType": "User",
    "nonce": "0x27dbf0912ad1316fc3b8608aaba8aa95fcce3561ff8eec2e06c8942dadca3c05",
    "signature": "0xdf0b94ef04ec1c462bc95e03189e97d693c32a8fd4a159b71a8c50d851dce71434ba6e21c9b01d52ebd980e5073268ad49aefdd4bd65660bbdb1f57c47c829ad1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}