{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891192,-0.453627,0.000000,0.000000,0.292024,-0.573708,0.765232,0.000000,-0.346161,0.680066,0.646284,0.000000,-2210956.754130,4343627.929441,4100231.033044,1],    "boundingVolume": {    "region": [2.041579,0.702662,2.041675,0.702748,0.000000,5.180532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1879140.b3dm"}}}