{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951008,-0.309165,0.000000,0.000000,0.115928,-0.356602,0.927036,0.000000,-0.286335,0.880782,0.377141,0.000000,-1827153.555537,5620424.391329,2390493.372037,1],    "boundingVolume": {    "region": [1.885030,0.386656,1.885193,0.386759,0.000000,6.530255]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/14_60941.b3dm"}}}