{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951109,-0.308856,0.000000,0.000000,0.115846,-0.356741,0.926993,0.000000,-0.286036,0.880833,0.377249,0.000000,-1825244.117467,5620752.797201,2391175.222973,1],    "boundingVolume": {    "region": [1.884705,0.386772,1.884868,0.386875,0.000000,39.685566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/15_33321.b3dm"}}}