{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948855,-0.315712,0.000000,0.000000,0.176371,-0.530072,0.829407,0.000000,-0.261303,0.785332,0.561226,0.000000,-1668387.031393,5014242.641213,3559368.435056,1],    "boundingVolume": {    "region": [1.891935,0.595813,1.892072,0.595920,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147642.b3dm"}}}