{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949495,-0.313783,0.000000,0.000000,0.175057,-0.529715,0.829914,0.000000,-0.259866,0.786346,0.560473,0.000000,-1659208.009035,5020702.195551,3554582.383193,1],    "boundingVolume": {    "region": [1.889890,0.594824,1.890052,0.595090,0.000000,8.804800]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1457199.b3dm"}}}