{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950887,-0.309539,0.000000,0.000000,0.173033,-0.531550,0.829165,0.000000,-0.256118,0.786781,0.561586,0.000000,-1635282.153417,5023503.211933,3561657.773583,1],    "boundingVolume": {    "region": [1.885431,0.596192,1.885577,0.596412,0.000000,8.807277]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1338812.b3dm"}}}