{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "628188510",
    "entityType": "User",
    "nonce": "0xe866c1061896f620142b4ea68b345fcb1d1e83e1237b14825a6b57f99590a71b",
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    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}