{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944178,-0.329436,0.000000,0.000000,0.184134,-0.527735,0.829211,0.000000,-0.272597,0.781274,0.561518,0.000000,-1740496.094439,4988337.317599,3561224.966991,1],    "boundingVolume": {    "region": [1.906445,0.596182,1.906560,0.596257,0.000000,8.415798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_1266550.b3dm"}}}