{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896563,-0.442917,0.000000,0.000000,0.283375,-0.573614,0.768548,0.000000,-0.339465,0.687152,0.642329,0.000000,-2168149.069003,4388813.881696,4075065.248272,1],    "boundingVolume": {    "region": [2.029562,0.697458,2.029730,0.697607,0.000000,41.453966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_500334.b3dm"}}}