{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950342,-0.311209,0.000000,0.000000,0.114958,-0.351050,0.929273,0.000000,-0.288931,0.882313,0.371540,0.000000,-1843695.757783,5630116.031842,2354959.633501,1],    "boundingVolume": {    "region": [1.887198,0.380616,1.887324,0.380719,0.000000,11.629839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/7_70568.b3dm"}}}