{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949036,-0.315167,0.000000,0.000000,0.176106,-0.530293,0.829322,0.000000,-0.260825,0.785400,0.561352,0.000000,-1665335.275230,5014683.467138,3560171.041214,1],    "boundingVolume": {    "region": [1.891360,0.595966,1.891498,0.596072,0.000000,13.419225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1068677.b3dm"}}}