{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950369,-0.311125,0.000000,0.000000,0.173887,-0.531160,0.829236,0.000000,-0.257453,0.786421,0.561480,0.000000,-1643805.182904,5021200.995568,3560985.215540,1],    "boundingVolume": {    "region": [1.887097,0.596081,1.887249,0.596266,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431877.b3dm"}}}