{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897618,-0.440774,0.000000,0.000000,0.283178,-0.576679,0.766323,0.000000,-0.336837,0.685954,0.644987,0.000000,-2151388.976427,4381210.974489,4091979.876447,1],    "boundingVolume": {    "region": [2.027194,0.700972,2.027321,0.701041,0.000000,9.877715]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861623.b3dm"}}}