{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950263,-0.311448,0.000000,0.000000,0.173933,-0.530690,0.829527,0.000000,-0.257811,0.786612,0.561048,0.000000,-1646090.332751,5022414.226311,3558236.147099,1],    "boundingVolume": {    "region": [1.887463,0.595593,1.887562,0.595710,0.000000,8.730358]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1344071.b3dm"}}}