{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949002,-0.315269,0.000000,0.000000,0.175874,-0.529405,0.829939,0.000000,-0.261105,0.785962,0.560436,0.000000,-1667117.200465,5018248.705667,3554347.911255,1],    "boundingVolume": {    "region": [1.891489,0.594817,1.891584,0.595008,0.000000,12.566081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/28_1076492.b3dm"}}}