{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0x1be79435085e1720d9d3d4af4483838adb06c9c3c4c66ac6eb7040b7cd61ad46",
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    "signer": "0xC728d461208f32A72c509e176ED6ba54c844099F",
    "userId": "176232909"
  }
}