{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9457",
    "entityType": "User",
    "nonce": "0xe43fd33ce452700cf6646c8b3f533b59e422dca8d3d0d568c1641fb41b1a483f",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}