{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949280,-0.314432,0.000000,0.000000,0.175780,-0.530686,0.829140,0.000000,-0.260159,0.785428,0.561622,0.000000,-1661086.277012,5014866.445411,3561886.337264,1],    "boundingVolume": {    "region": [1.890605,0.596304,1.890704,0.596386,0.000000,8.712338]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1416320.b3dm"}}}