{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895900,-0.444256,0.000000,0.000000,0.283929,-0.572580,0.769114,0.000000,-0.340744,0.687154,0.641649,0.000000,-2176312.565889,4388812.840916,4070741.612525,1],    "boundingVolume": {    "region": [2.031086,0.696593,2.031195,0.696700,0.000000,40.258738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_623493.b3dm"}}}