{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "411390451",
    "entityType": "User",
    "nonce": "0xfb616bddc21524a16dac3b296d77ab3fd3d8e9506bec864251ef4c901a3b20d0",
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    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}