{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949477,-0.313837,0.000000,0.000000,0.175453,-0.530811,0.829129,0.000000,-0.259663,0.785581,0.561639,0.000000,-1657918.095873,5015840.388989,3561990.335618,1],    "boundingVolume": {    "region": [1.889978,0.596324,1.890077,0.596406,0.000000,16.490579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1409312.b3dm"}}}