{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897030,-0.441969,0.000000,0.000000,0.287246,-0.583000,0.760000,0.000000,-0.334941,0.679804,0.652442,0.000000,-2139350.178628,4342076.688074,4139408.552283,1],    "boundingVolume": {    "region": [2.028499,0.710750,2.028678,0.710855,0.000000,8.674350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780797.b3dm"}}}