{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178912211",
    "entityType": "User",
    "nonce": "0x5c16c1e30a61517ebb75adca6e959c59ec18e0a4d6c45fd56e4ef668a661de5f",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}