{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "653958",
    "entityType": "User",
    "nonce": "0x66d9a2d3af7c9cbc9d782ca5ef3962e69f029921f23ce64559630729a789020e",
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    "signer": "0xC1ce913559f0D2Fb29FB50E8592a3eBc5Da5EA98",
    "userId": "672618095"
  }
}