{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "266583149",
    "entityType": "User",
    "nonce": "0xb4ddd72229b4f683c5cc79c0590755feaaa39d7bb692467d336259b9bbc69b0b",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}