{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948871,-0.315664,0.000000,0.000000,0.176337,-0.530061,0.829422,0.000000,-0.261268,0.785359,0.561205,0.000000,-1668162.693684,5014414.726148,3559232.070509,1],    "boundingVolume": {    "region": [1.891884,0.595787,1.892022,0.595894,0.000000,8.587410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1147379.b3dm"}}}