{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899075,-0.437794,0.000000,0.000000,0.282757,-0.580685,0.763448,0.000000,-0.333294,0.684469,0.648396,0.000000,-2128791.800214,4371796.032435,4113663.720371,1],    "boundingVolume": {    "region": [2.023857,0.705416,2.024022,0.705535,0.000000,10.000116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1827750.b3dm"}}}