{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948844,-0.315744,0.000000,0.000000,0.176383,-0.530050,0.829419,0.000000,-0.261333,0.785334,0.561208,0.000000,-1668578.552973,5014259.185575,3559256.106192,1],    "boundingVolume": {    "region": [1.891968,0.595792,1.892106,0.595898,0.000000,8.713683]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1147394.b3dm"}}}