{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949088,-0.315011,0.000000,0.000000,0.176171,-0.530781,0.828997,0.000000,-0.260593,0.785132,0.561836,0.000000,-1663854.458176,5012977.989638,3563243.217196,1],    "boundingVolume": {    "region": [1.891214,0.596592,1.891315,0.596614,0.000000,11.195197]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/9_1419544.b3dm"}}}