{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950865,-0.309606,0.000000,0.000000,0.172989,-0.531285,0.829344,0.000000,-0.256230,0.786934,0.561321,0.000000,-1635994.508977,5024475.726273,3559969.802760,1],    "boundingVolume": {    "region": [1.885503,0.595871,1.885648,0.596091,0.000000,8.818891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422357.b3dm"}}}