{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x852a20e994b7354435f79ad7d56ffc6c62c640ff18a3b65cda941710f9f1848f",
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    "signer": "0xB40D00E36403aF3B4bdb29a43BEaE33057EE4129",
    "userId": "500138887"
  }
}