{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950352,-0.311177,0.000000,0.000000,0.173793,-0.530774,0.829503,0.000000,-0.257579,0.786662,0.561085,0.000000,-1644607.929896,5022733.444247,3558469.451566,1],    "boundingVolume": {    "region": [1.887177,0.595637,1.887277,0.595754,0.000000,8.763194]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1428567.b3dm"}}}