{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x9909b12ef2c835d3fb4c8e9acdc001407e5ea6c9b7bb176f70c488353fc587b6",
    "signature": "0xf7df5140a80dc9e1a42bc774a9e35ac755e990e32418fd69363f10f454f552062c2dd8b7d12180737a7df4cb29ef82e709fafe1cc1e8657a7be301313570e4641c",
    "signer": "0xBa39a1B9C2A30Ab1FAfa33cF54BF03e443abad57",
    "userId": "348773042"
  }
}