{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949013,-0.315236,0.000000,0.000000,0.175821,-0.529307,0.830013,0.000000,-0.261101,0.786041,0.560326,0.000000,-1667091.792127,5018755.645174,3553648.706868,1],    "boundingVolume": {    "region": [1.891454,0.594684,1.891549,0.594875,0.000000,15.112235]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/27_1091886.b3dm"}}}