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    "operation_id": "op_77tkve52spxj43q8ypadqt8awr",
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      "assertions": [
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          "polarity": "supports",
          "proof_kind": "observed",
          "derivation_rule": null,
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      "polarity": "supports",
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    "event_id": "sha256:9197872824e30b5e094ac4c09788cc54dceadc849917bc04063d6c66daee788d",
    "protected": {
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      "signature": "XmV7XTu5rryiCKHVQoSg3cBpReP18hsSw2SPSjzbCQ0Mor79dHLUpOAFsUje077zfFtIYEiLW68awdtjncYfCQ=="
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}
