{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949559,-0.313589,0.000000,0.000000,0.174692,-0.528973,0.830464,0.000000,-0.259880,0.786924,0.559654,0.000000,-1659287.665508,5024381.845591,3549377.184135,1],    "boundingVolume": {    "region": [1.889686,0.593835,1.889848,0.594101,0.000000,8.310953]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_1382250.b3dm"}}}