{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897031,-0.441968,0.000000,0.000000,0.282286,-0.572935,0.769454,0.000000,-0.339140,0.688328,0.641240,0.000000,-2166064.072812,4396305.928926,4068139.031720,1],    "boundingVolume": {    "region": [2.028496,0.696057,2.028679,0.696169,0.000000,44.807974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/0/6_437130.b3dm"}}}