{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897472,-0.441071,0.000000,0.000000,0.284859,-0.579618,0.763478,0.000000,-0.335802,0.683275,0.648361,0.000000,-2144813.747737,4364168.387918,4113441.970764,1],    "boundingVolume": {    "region": [2.027537,0.705395,2.027640,0.705464,0.000000,6.170929]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_1836818.b3dm"}}}