{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112707",
    "entityType": "User",
    "nonce": "0xcf973c157b8bf9ffbdd05e26ef43f33f10269fd04e09e53a1b5f24486e6c281e",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}