{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949989,-0.312284,0.000000,0.000000,0.174466,-0.530737,0.829385,0.000000,-0.258459,0.786249,0.561259,0.000000,-1650226.240554,5020098.445523,3559579.055871,1],    "boundingVolume": {    "region": [1.888307,0.595804,1.888478,0.596009,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1351438.b3dm"}}}