{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949997,-0.312260,0.000000,0.000000,0.174122,-0.529737,0.830097,0.000000,-0.258663,0.786936,0.560201,0.000000,-1651520.756004,5024466.797923,3552854.210636,1],    "boundingVolume": {    "region": [1.888285,0.594563,1.888449,0.594694,0.000000,17.566301]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1460684.b3dm"}}}