{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948853,-0.315718,0.000000,0.000000,0.176362,-0.530036,0.829433,0.000000,-0.261316,0.785354,0.561189,0.000000,-1668467.620206,5014385.525400,3559130.961869,1],    "boundingVolume": {    "region": [1.891941,0.595768,1.892078,0.595875,0.000000,8.713683]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1147230.b3dm"}}}