{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949067,-0.315075,0.000000,0.000000,0.176032,-0.530242,0.829371,0.000000,-0.260764,0.785472,0.561281,0.000000,-1664947.398941,5015138.621573,3559714.367141,1],    "boundingVolume": {    "region": [1.891264,0.595879,1.891401,0.595985,0.000000,13.459489]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1374443.b3dm"}}}