{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949022,-0.315209,0.000000,0.000000,0.175806,-0.529311,0.830013,0.000000,-0.261079,0.786049,0.560325,0.000000,-1666952.727291,5018805.680676,3553643.314132,1],    "boundingVolume": {    "region": [1.891426,0.594683,1.891521,0.594874,0.000000,20.220765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/27_1212676.b3dm"}}}