{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139424",
    "entityType": "User",
    "nonce": "0x5ee25f6b4b73e5bb204d7d6f9bdf53c045ad1947a85c534a5af38bc39d14ad84",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}