{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949871,-0.312641,0.000000,0.000000,0.174650,-0.530624,0.829419,0.000000,-0.258765,0.786184,0.561210,0.000000,-1652180.720407,5019681.069191,3559263.138680,1],    "boundingVolume": {    "region": [1.888692,0.595762,1.888845,0.595931,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352540.b3dm"}}}