{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948883,-0.315627,0.000000,0.000000,0.176479,-0.530555,0.829076,0.000000,-0.261127,0.785038,0.561718,0.000000,-1667267.541584,5012377.918020,3562496.961030,1],    "boundingVolume": {    "region": [1.891845,0.596408,1.891982,0.596515,0.000000,8.756069]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1055503.b3dm"}}}