{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950530,-0.310632,0.000000,0.000000,0.173523,-0.530979,0.829428,0.000000,-0.257105,0.786738,0.561195,0.000000,-1641583.557741,5023221.434747,3559172.299577,1],    "boundingVolume": {    "region": [1.886597,0.595772,1.886712,0.595886,0.000000,8.816373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1425202.b3dm"}}}