{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324495",
    "entityType": "User",
    "nonce": "0xe6f537e254700dd43a41c2617b005bdb3db1fc0adb0ad82f1f198310b4b087c3",
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    "signer": "0xcC8B6d3513331fFFD055058efBf7E340B4d3A7BA",
    "userId": "174894112"
  }
}