{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896310,-0.443427,0.000000,0.000000,0.283747,-0.573544,0.768463,0.000000,-0.339818,0.686882,0.642430,0.000000,-2170406.627302,4387093.203571,4075711.867445,1],    "boundingVolume": {    "region": [2.030149,0.697606,2.030282,0.697725,0.000000,53.211031]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_543227.b3dm"}}}