{
  "manageEntity": {
    "action": "Subscribe",
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    "entityType": "Event",
    "nonce": "0xfd6d8518e530626beeb8c3e1b74fa570e2012030c25f6112defef8cdb1e1047e",
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    "signer": "0xD1E0F0334a120A263aa8f82c802608a0D9C22de3",
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}