{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948858,-0.315704,0.000000,0.000000,0.176358,-0.530051,0.829424,0.000000,-0.261301,0.785350,0.561202,0.000000,-1668374.429458,5014355.966865,3559215.719129,1],    "boundingVolume": {    "region": [1.891926,0.595784,1.892063,0.595891,0.000000,8.587410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1147347.b3dm"}}}