{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950064,-0.312054,0.000000,0.000000,0.174010,-0.529782,0.830091,0.000000,-0.258490,0.786987,0.560209,0.000000,-1650421.155029,5024792.876374,3552903.691902,1],    "boundingVolume": {    "region": [1.888069,0.594572,1.888232,0.594704,0.000000,10.242729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1377399.b3dm"}}}