{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x722540a7fc06d59e83986cbbf7da2b0695926327874cd20886faaccb854b78f6",
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    "signer": "0xBc819B7444752c1F4EFE89a795c656F647aadb49",
    "userId": "627826860"
  }
}