{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952105,-0.305773,0.000000,0.000000,0.114141,-0.355409,0.927716,0.000000,-0.283403,0.882451,0.375450,0.000000,-1808436.649390,5631051.367076,2379764.969763,1],    "boundingVolume": {    "region": [1.881459,0.384831,1.881633,0.384934,0.000000,8.247743]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/1_37649.b3dm"}}}