{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950033,-0.312149,0.000000,0.000000,0.174044,-0.529707,0.830132,0.000000,-0.258582,0.787000,0.560148,0.000000,-1651007.223026,5024876.200539,3552516.145011,1],    "boundingVolume": {    "region": [1.888169,0.594499,1.888333,0.594630,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460312.b3dm"}}}