{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897441,-0.441134,0.000000,0.000000,0.285804,-0.581440,0.761737,0.000000,-0.335078,0.681682,0.650409,0.000000,-2140207.333454,4354033.846269,4126472.439432,1],    "boundingVolume": {    "region": [2.027582,0.708009,2.027734,0.708236,0.000000,9.925993]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1797271.b3dm"}}}