{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951002,-0.309183,0.000000,0.000000,0.172686,-0.531157,0.829489,0.000000,-0.255925,0.787187,0.561105,0.000000,-1634047.522943,5026086.927674,3558598.604244,1],    "boundingVolume": {    "region": [1.885058,0.595610,1.885203,0.595830,0.000000,8.809593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1340407.b3dm"}}}