{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104128629",
    "entityType": "User",
    "nonce": "0xea3b536a216100857f5a76c2e9f457cb9a2efe2bd896d76dd58fb6dd21e17bbc",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}