{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154589",
    "entityType": "User",
    "nonce": "0xcd7a600ea0b456d1cece5985bf18e381177a2b48e38ea3a4b9ca96eb3b73e7a9",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}