{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183728247",
    "entityType": "User",
    "nonce": "0xf9926654b435b0fc06e7854a4f7fff8cbd80cae8f0d86a97c4a2db4628cedaa7",
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    "signer": "0x13DCCf302a981e4d24BF1B7354e4530FeCa68216",
    "userId": "720996520"
  }
}