{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xc42c1a78ba45fffc2ccff2e7d2c6592d724808131593fc439eadb1f870f5c9cb",
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    "signer": "0x032353067E6A79e4D3c78a727050A3CAb9964e5D",
    "userId": "834784522"
  }
}