{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950428,-0.310946,0.000000,0.000000,0.173373,-0.529926,0.830132,0.000000,-0.257585,0.787327,0.560148,0.000000,-1644642.813477,5026964.406489,3552513.985500,1],    "boundingVolume": {    "region": [1.886935,0.594506,1.887034,0.594622,0.000000,8.585346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/2_1375760.b3dm"}}}