{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950877,-0.309569,0.000000,0.000000,0.172978,-0.531324,0.829321,0.000000,-0.256191,0.786923,0.561354,0.000000,-1635750.623406,5024402.433837,3560183.866409,1],    "boundingVolume": {    "region": [1.885463,0.595912,1.885609,0.596131,0.000000,8.818891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422629.b3dm"}}}