{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "978580446",
    "entityType": "User",
    "nonce": "0x8e1b8f9d369f426f2a38f52794163e2a380ecd94df0cc1953f10512f98925d05",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}