{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950532,-0.310628,0.000000,0.000000,0.173768,-0.531737,0.828891,0.000000,-0.256934,0.786225,0.561992,0.000000,-1640493.705514,5019962.166175,3564235.513300,1],    "boundingVolume": {    "region": [1.886601,0.596743,1.886699,0.596841,0.000000,8.697709]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1327505.b3dm"}}}