{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949873,-0.312637,0.000000,0.000000,0.174654,-0.530646,0.829404,0.000000,-0.258757,0.786171,0.561231,0.000000,-1652128.249929,5019599.719204,3559401.289047,1],    "boundingVolume": {    "region": [1.888688,0.595789,1.888841,0.595957,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352185.b3dm"}}}