{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298379",
    "entityType": "User",
    "nonce": "0xad8601d9ee83ec9865ae731935f30a2ec828668ab0641ed0b35d6ca1b30a0e6a",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}