{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943844,-0.330392,0.000000,0.000000,0.184532,-0.527158,0.829489,0.000000,-0.273480,0.781262,0.561105,0.000000,-1746137.070526,4988254.244341,3558596.655443,1],    "boundingVolume": {    "region": [1.907468,0.595662,1.907563,0.595777,0.000000,8.807456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1297565.b3dm"}}}