{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949127,-0.314893,0.000000,0.000000,0.116081,-0.349883,0.929574,0.000000,-0.292448,0.881474,0.370780,0.000000,-1866129.913186,5624750.641611,2350137.809045,1],    "boundingVolume": {    "region": [1.891086,0.379791,1.891194,0.379907,0.000000,65.531640]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/20_77043.b3dm"}}}