{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896566,-0.442910,0.000000,0.000000,0.283357,-0.573588,0.768574,0.000000,-0.339471,0.687178,0.642298,0.000000,-2168187.678993,4388977.530327,4074869.766670,1],    "boundingVolume": {    "region": [2.029554,0.697418,2.029723,0.697567,0.000000,44.451716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_500338.b3dm"}}}