{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948872,-0.315660,0.000000,0.000000,0.176338,-0.530072,0.829414,0.000000,-0.261262,0.785353,0.561216,0.000000,-1668123.249147,5014377.120097,3559303.059244,1],    "boundingVolume": {    "region": [1.891879,0.595801,1.892017,0.595907,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147464.b3dm"}}}