{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950520,-0.310662,0.000000,0.000000,0.173548,-0.530996,0.829412,0.000000,-0.257125,0.786715,0.561219,0.000000,-1641711.559779,5023072.500117,3559322.439413,1],    "boundingVolume": {    "region": [1.886628,0.595801,1.886744,0.595915,0.000000,8.818020]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1425533.b3dm"}}}