{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116221977",
    "entityType": "User",
    "nonce": "0xe3491588997e1ce62def5d44e5f06250989b3af7a3eb89408889961e03672613",
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    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}