{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942696,-0.333652,0.000000,0.000000,0.186963,-0.528243,0.828254,0.000000,-0.275764,0.779139,0.562935,0.000000,-1760726.732064,4974736.949181,3570232.464926,1],    "boundingVolume": {    "region": [1.910909,0.597902,1.911034,0.597964,0.000000,8.702146]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/20_1250444.b3dm"}}}