[ "or", [ [ "and", [ [ "address", "AK2ERJ3A6YPMLGUZA6CC667AKQ7RSC77" ], [ "seen", { "what": "output", "address": "SKTRFSJ5DRUK77IR4VI5RBKXQNEXTUXZ", "asset": "base", "amount": 500000000 } ] ] ], [ "and", [ [ "address", "SKTRFSJ5DRUK77IR4VI5RBKXQNEXTUXZ" ], [ "not", [ "seen", { "what": "output", "address": "SKTRFSJ5DRUK77IR4VI5RBKXQNEXTUXZ", "asset": "base", "amount": 500000000 } ] ], [ "in data feed", [ [ "I2ADHGP4HL6J37NQAD73J7E5SKFIXJOT" ], "timestamp", ">", 1547571140610 ] ] ] ] ] ]