{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943946,-0.330100,0.000000,0.000000,0.184217,-0.526782,0.829798,0.000000,-0.273342,0.781640,0.560645,0.000000,-1745248.380536,4990662.316700,3555674.768152,1],    "boundingVolume": {    "region": [1.907159,0.595107,1.907254,0.595222,0.000000,8.813410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_1309942.b3dm"}}}