{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895735,-0.444588,0.000000,0.000000,0.284131,-0.572453,0.769134,0.000000,-0.341007,0.687045,0.641625,0.000000,-2177994.844506,4388118.593980,4070591.323333,1],    "boundingVolume": {    "region": [2.031450,0.696556,2.031572,0.696674,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663385.b3dm"}}}