{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949879,-0.312619,0.000000,0.000000,0.174722,-0.530884,0.829237,0.000000,-0.258689,0.786016,0.561479,0.000000,-1651698.593754,5018616.602640,3560976.019998,1],    "boundingVolume": {    "region": [1.888659,0.596070,1.888831,0.596275,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435700.b3dm"}}}