{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950876,-0.309572,0.000000,0.000000,0.173025,-0.531461,0.829223,0.000000,-0.256164,0.786828,0.561499,0.000000,-1635576.629886,5023801.792735,3561105.095816,1],    "boundingVolume": {    "region": [1.885467,0.596087,1.885612,0.596306,0.000000,8.811499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1423257.b3dm"}}}