{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950867,-0.309601,0.000000,0.000000,0.172988,-0.531292,0.829339,0.000000,-0.256224,0.786932,0.561327,0.000000,-1635957.247648,5024459.746685,3560009.213549,1],    "boundingVolume": {    "region": [1.885497,0.595878,1.885642,0.596098,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339684.b3dm"}}}