{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "469085153",
    "entityType": "User",
    "nonce": "0xf998136f6a1c6c51752967cc5dd5184e1b55fe72cb4157287262a37ff988a362",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}