{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949885,-0.312599,0.000000,0.000000,0.174612,-0.530588,0.829450,0.000000,-0.258740,0.786225,0.561163,0.000000,-1652019.770877,5019946.206693,3558965.900047,1],    "boundingVolume": {    "region": [1.888648,0.595706,1.888801,0.595874,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1353303.b3dm"}}}