{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897951,-0.440095,0.000000,0.000000,0.284689,-0.580868,0.762590,0.000000,-0.334666,0.682840,0.649406,0.000000,-2137566.699683,4361406.230718,4120093.660462,1],    "boundingVolume": {    "region": [2.026434,0.706692,2.026566,0.706915,0.000000,14.409310]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823751.b3dm"}}}