{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325120979",
    "entityType": "User",
    "nonce": "0x2938a4fc9ce8d444b665304c169dd12236fc80f820d531b378896914693ea330",
    "signature": "0x3ace41b8e0617007b9490a72c99fd3538c6e733acda3bbd65a999bf49a745d9234dea3badcd117d5e1508b663c0310084898fd3d31f62022bbdd479feec1ae4d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}