{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "417045483",
    "entityType": "User",
    "nonce": "0x9994d16567f5fe899c115a7f392f0e39b9e4d16117081bc08b7be3aa83eeae1c",
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    "signer": "0xF51BBf2D093bbC94555bc2299Ae53Ce8F7963374",
    "userId": "38277"
  }
}