{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898496,-0.438982,0.000000,0.000000,0.283957,-0.581196,0.762614,0.000000,-0.333830,0.683275,0.649379,0.000000,-2132228.309922,4364184.471903,4119919.113128,1],    "boundingVolume": {    "region": [2.025211,0.706730,2.025312,0.706805,0.000000,5.880544]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1819942.b3dm"}}}