{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949067,-0.315076,0.000000,0.000000,0.176034,-0.530247,0.829367,0.000000,-0.260764,0.785469,0.561285,0.000000,-1664943.071884,5015118.171464,3559744.995710,1],    "boundingVolume": {    "region": [1.891264,0.595885,1.891401,0.595991,0.000000,13.459489]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1374381.b3dm"}}}