{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950044,-0.312117,0.000000,0.000000,0.174210,-0.530271,0.829737,0.000000,-0.258431,0.786631,0.560736,0.000000,-1650047.808578,5022527.447627,3556256.139201,1],    "boundingVolume": {    "region": [1.888135,0.595209,1.888299,0.595340,0.000000,8.820070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1454424.b3dm"}}}