{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949103,-0.314966,0.000000,0.000000,0.176147,-0.530792,0.828995,0.000000,-0.260554,0.785143,0.561838,0.000000,-1663610.897088,5013047.101543,3563259.597831,1],    "boundingVolume": {    "region": [1.891166,0.596596,1.891268,0.596617,0.000000,11.195197]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/9_1419952.b3dm"}}}