{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315617",
    "entityType": "User",
    "nonce": "0xfe2bc71c945c5bbb530a7aa3912433fd19b50a93f6dc00e67636f64d193b073f",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}