{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897370,-0.441280,0.000000,0.000000,0.286282,-0.582171,0.760999,0.000000,-0.334862,0.680962,0.651274,0.000000,-2138834.028958,4349448.765522,4131979.054230,1],    "boundingVolume": {    "region": [2.027745,0.709149,2.027897,0.709376,0.000000,7.276756]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1780257.b3dm"}}}