{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950610,-0.310389,0.000000,0.000000,0.173321,-0.530821,0.829572,0.000000,-0.256949,0.786941,0.560982,0.000000,-1640582.919535,5024515.170495,3557816.414341,1],    "boundingVolume": {    "region": [1.886341,0.595514,1.886456,0.595629,0.000000,8.777683]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/10_1451743.b3dm"}}}