{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xca52322424626f12f0af6a7c9a795b2e2febcaf42f983666cc00ad6edd07a3a1",
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    "signer": "0xEB69eF724F496f166f22363278C57fD1C454d2cA",
    "userId": "352613"
  }
}