{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948646,-0.316340,0.000000,0.000000,0.176333,-0.528790,0.830233,0.000000,-0.262086,0.785948,0.559997,0.000000,-1673378.943064,5018153.328998,3551557.771775,1],    "boundingVolume": {    "region": [1.892617,0.594271,1.892713,0.594494,0.000000,8.785435]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1214352.b3dm"}}}