{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39979538",
    "entityType": "User",
    "nonce": "0xc994e36f95661d80d9326b9d659e0c5947c3705b22d3465fa44f05f5f718af9a",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}