{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x35cabcb0c8113f66fd7f4dcf0ce56af9530896bdb60b7ad233d28ecbbf5f6dd8",
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    "signer": "0xE09A95aA63d8B1AE975406d646074B73ffBD4ACC",
    "userId": "27841"
  }
}