{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465873",
    "entityType": "User",
    "nonce": "0xebb1ac193f526b12ec2a3af0da0d51e2f8bd2d4d8fe53b1c850d12ec35e4377d",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}