{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948968,-0.315372,0.000000,0.000000,0.176090,-0.529862,0.829602,0.000000,-0.261083,0.785611,0.560937,0.000000,-1666982.301809,5016020.026544,3557534.158178,1],    "boundingVolume": {    "region": [1.891576,0.595465,1.891714,0.595571,0.000000,8.752248]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/4_1071257.b3dm"}}}