{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950609,-0.310392,0.000000,0.000000,0.173377,-0.530984,0.829455,0.000000,-0.256915,0.786829,0.561155,0.000000,-1640370.309727,5023801.678299,3558914.431710,1],    "boundingVolume": {    "region": [1.886344,0.595723,1.886460,0.595837,0.000000,8.762512]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1424731.b3dm"}}}