{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949558,-0.313592,0.000000,0.000000,0.174963,-0.529789,0.829887,0.000000,-0.259700,0.786372,0.560514,0.000000,-1658147.184349,5020869.092050,3554839.913248,1],    "boundingVolume": {    "region": [1.889689,0.594873,1.889851,0.595139,0.000000,8.553826]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1371658.b3dm"}}}