{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949075,-0.315050,0.000000,0.000000,0.116122,-0.349811,0.929595,0.000000,-0.292601,0.881446,0.370725,0.000000,-1867106.389559,5624574.077778,2349787.146874,1],    "boundingVolume": {    "region": [1.891252,0.379732,1.891360,0.379847,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76348.b3dm"}}}