{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950263,-0.311450,0.000000,0.000000,0.173881,-0.530528,0.829642,0.000000,-0.257849,0.786721,0.560878,0.000000,-1646330.853237,5023105.874012,3557155.666601,1],    "boundingVolume": {    "region": [1.887465,0.595387,1.887565,0.595504,0.000000,8.799516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1455029.b3dm"}}}