{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951001,-0.309187,0.000000,0.000000,0.172711,-0.531226,0.829440,0.000000,-0.255913,0.787139,0.561178,0.000000,-1633969.386897,5025780.347703,3559064.306492,1],    "boundingVolume": {    "region": [1.885067,0.595702,1.885202,0.595915,0.000000,8.809593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12.b3dm"}}}