{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943990,-0.329974,0.000000,0.000000,0.184209,-0.526984,0.829672,0.000000,-0.273195,0.781556,0.560833,0.000000,-1744314.258886,4990130.497711,3556871.287089,1],    "boundingVolume": {    "region": [1.907025,0.595334,1.907120,0.595449,0.000000,8.772674]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1310756.b3dm"}}}