{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943973,-0.330022,0.000000,0.000000,0.184184,-0.526828,0.829776,0.000000,-0.273270,0.781642,0.560678,0.000000,-1744788.501889,4990673.145667,3555883.848202,1],    "boundingVolume": {    "region": [1.907076,0.595147,1.907171,0.595262,0.000000,8.804152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_1276405.b3dm"}}}