{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xc667a95ab405271eeb35096cf809ec75fb2d3b3db9fe8fe7c3bf3a6a792f0b9a",
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    "signer": "0xE99B6771100D63894452ae6eE05837583c2de6d5",
    "userId": "883691386"
  }
}