{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949099,-0.314977,0.000000,0.000000,0.116095,-0.349820,0.929596,0.000000,-0.292533,0.881469,0.370725,0.000000,-1866674.838894,5624718.418124,2349784.523674,1],    "boundingVolume": {    "region": [1.891175,0.379731,1.891283,0.379847,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76346.b3dm"}}}