{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923551697",
    "entityType": "User",
    "nonce": "0x5f4b07fdddf68aa8e07150e758ac6599cd11945203c65448b1c9e7bbc6b9626d",
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    "signer": "0x176e72dFeDc28F932BeC73B513ff006a4b45dDa2",
    "userId": "93920271"
  }
}