{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943928,-0.330151,0.000000,0.000000,0.184397,-0.527206,0.829489,0.000000,-0.273281,0.781331,0.561105,0.000000,-1744860.411502,4988699.243637,3558599.038663,1],    "boundingVolume": {    "region": [1.907212,0.595663,1.907307,0.595778,0.000000,8.789196]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1273198.b3dm"}}}