{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949744,-0.313029,0.000000,0.000000,0.174879,-0.530590,0.829393,0.000000,-0.259078,0.786053,0.561248,0.000000,-1654178.182188,5018848.529398,3559507.761465,1],    "boundingVolume": {    "region": [1.889100,0.595809,1.889254,0.595977,0.000000,8.812817]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1351751.b3dm"}}}