{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949427,-0.313988,0.000000,0.000000,0.175545,-0.530806,0.829114,0.000000,-0.259784,0.785524,0.561662,0.000000,-1658687.890506,5015479.345474,3562139.333970,1],    "boundingVolume": {    "region": [1.890138,0.596352,1.890237,0.596434,0.000000,8.354055]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1337980.b3dm"}}}