{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100027732",
    "entityType": "User",
    "nonce": "0xaac683289e6c19c1560c08d8df2abae88cac2985e2e78127ab809d6b9726e1af",
    "signature": "0xf0211d5573bf8e6d650325129228d229d3efa8f08a1efbe371a05ed09db105a122f5f5ef169ba5bbef9580a83b65ac9fd7a01b54383fd2aef715d9f6a2a1e2a71c",
    "signer": "0xa4a8907B0B26E54B18Ec80300D61E47F6ac6ec24",
    "userId": "282040531"
  }
}