{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891154,-0.453700,0.000000,0.000000,0.292068,-0.573678,0.765239,0.000000,-0.346220,0.680043,0.646277,0.000000,-2211332.742963,4343482.416639,4100182.745601,1],    "boundingVolume": {    "region": [2.041662,0.702652,2.041757,0.702738,0.000000,21.051588]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_2045670.b3dm"}}}