{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950609,-0.310390,0.000000,0.000000,0.173283,-0.530701,0.829656,0.000000,-0.256976,0.787022,0.560856,0.000000,-1640756.241408,5025029.056648,3557016.020189,1],    "boundingVolume": {    "region": [1.886342,0.595362,1.886457,0.595477,0.000000,8.777474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1451055.b3dm"}}}