[
  "or",
  [
    [
      "and",
      [
        [
          "address",
          "AK2ERJ3A6YPMLGUZA6CC667AKQ7RSC77"
        ],
        [
          "seen",
          {
            "what": "output",
            "address": "4AD5GEOB6M67MEFXQGTFE5KQEC6XVZMB",
            "asset": "base",
            "amount": 1898450000
          }
        ]
      ]
    ],
    [
      "and",
      [
        [
          "address",
          "4AD5GEOB6M67MEFXQGTFE5KQEC6XVZMB"
        ],
        [
          "not",
          [
            "seen",
            {
              "what": "output",
              "address": "4AD5GEOB6M67MEFXQGTFE5KQEC6XVZMB",
              "asset": "base",
              "amount": 1898450000
            }
          ]
        ],
        [
          "in data feed",
          [
            [
              "I2ADHGP4HL6J37NQAD73J7E5SKFIXJOT"
            ],
            "timestamp",
            ">",
            1561669502982
          ]
        ]
      ]
    ]
  ]
]