{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949543,-0.313636,0.000000,0.000000,0.174928,-0.529601,0.830013,0.000000,-0.259776,0.786481,0.560325,0.000000,-1658632.086650,5021563.779583,3553640.332255,1],    "boundingVolume": {    "region": [1.889735,0.594645,1.889897,0.594911,0.000000,8.803873]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1379702.b3dm"}}}