{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950039,-0.312133,0.000000,0.000000,0.174215,-0.530258,0.829745,0.000000,-0.258446,0.786634,0.560725,0.000000,-1650144.471248,5022548.113725,3556182.595837,1],    "boundingVolume": {    "region": [1.888151,0.595195,1.888315,0.595327,0.000000,8.820528]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1456720.b3dm"}}}