{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948974,-0.315356,0.000000,0.000000,0.175989,-0.529588,0.829798,0.000000,-0.261132,0.785803,0.560645,0.000000,-1667292.086200,5017243.066081,3555676.358292,1],    "boundingVolume": {    "region": [1.891580,0.595069,1.891675,0.595260,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074172.b3dm"}}}