{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1707583",
    "entityType": "User",
    "nonce": "0x8bc70013bea918ac73d6b94d1ce468c1df910c412fe68216c28da01fd0b75b48",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}